`A comprehensive guide for engineering teams evaluating AI coding agents — covering pricing tiers, supported models, and total cost of ownership for a 20-developer team.
Table of Contents
- Why AI Coding Agents Matter in 2026
- How We Compare
- Tool-by-Tool Breakdown
- Full Cost Comparison Table (20-Seat Team)
- Model Quality Benchmarks
- Choosing the Right Tool for Your Team
- Total Cost of Ownership Considerations
- Conclusion
Why AI Coding Agents Matter in 2026
AI coding agents have crossed the threshold from novelty to necessity. By early 2026, the most capable tools don't just autocomplete lines — they autonomously plan, scaffold, refactor, debug, and ship entire features within your existing IDE. Benchmark suites like SWE-bench now measure models against real GitHub issues, and the top performers (Claude Opus 4.6, GLM-5.1, GPT-5) resolve upwards of 45–50% of real-world coding tasks without human intervention.
For a 30- or 20-person engineering team, the right coding agent subscription can compress a week's sprint into two days. But the market is fragmented: some tools are per-seat SaaS subscriptions, others are open-source agents that pass LLM API costs directly to you, and a few sit behind platform bundles (like Google's AI Ultra). Choosing incorrectly can mean thousands of dollars wasted annually — or leaving serious productivity gains on the table.
This article cuts through the noise with verified 2026 pricing from vendor sites, a unified per-seat monthly cost, a total annual cost for a 20-developer team, and a technical assessment of each tool's strengths.
How We Compare
Each tool is assessed on:
| Dimension | Details |
|---|---|
| Pricing model | Fixed seat, credit-based, pay-as-you-go, or open-source BYOK |
| Team plan availability | Centralized billing, SSO, admin controls |
| Supported models | Top 3 models available for coding tasks |
| Total annual cost | 20 users × monthly seat price × 12 months |
| SWE-bench relevance | Whether the tool's default models rank on public coding benchmarks |
| Integration breadth | IDE compatibility, MCP tool support, CLI agents |
Note on open-source tools (Cline, OpenCode): These have $0 tool cost. Budget must account for LLM API spend, which varies by model and usage volume. At moderate usage (~500K tokens/day/dev), Claude Sonnet 4.6 API costs approximately $15–$30/dev/month via direct Anthropic API.
Tool-by-Tool Breakdown
1. GitHub Copilot
Vendor: GitHub (Microsoft)
Pricing URL: https://docs.github.com/en/copilot/get-started/plans
Best for: Teams already in the GitHub ecosystem needing governance, audit logs, and IP indemnity.
GitHub Copilot remains the enterprise default in 2026. The Business plan at $19/user/month includes policy controls, audit logs, SAML SSO, and IP indemnity — critical for regulated industries. The Enterprise tier ($39/user/month) adds knowledge bases (repository-level indexing) and custom model fine-tuning, but requires a prerequisite GitHub Enterprise Cloud subscription (~$21/user/month), pushing the effective cost to ~$60/user/month.
Copilot now supports multi-model selection in Copilot Chat and agent workflows, letting developers switch between GPT-4.1/GPT-4o, Claude 3.5/4.x Sonnet, and Gemini 2.5 Pro depending on task complexity.
Plan Options:
| Plan | Monthly/User | Annual Cost (20 users) |
|---|---|---|
| Free | $0 | $0 |
| Pro | $10 | $2,400 |
| Business | $19 | $4,560 |
| Enterprise | $39 (+GH Enterprise) | $9,360+ |
Top 3 Models: GPT-4.1 / GPT-4o · Claude 3.5/4.x Sonnet · Gemini 2.5 Pro
2. Cursor
Vendor: Anysphere
Pricing URL: https://cursor.com/pricing
Best for: Teams wanting an AI-first IDE (VS Code fork) with deep codebase understanding and pooled model usage.
Cursor is a fully customized VS Code fork that rewires the editor around AI workflows. The Teams plan at $40/user/month provides centralized billing, SSO, an admin dashboard, and pooled model usage limits across the org. The model selector lets developers choose from GPT-4o, Claude Sonnet/Opus, and Gemini models per session.
The main adoption friction: Cursor is a separate IDE install, not a plugin. Teams migrating from VS Code or JetBrains need an onboarding investment.
Plan Options:
| Plan | Monthly/User | Annual Cost (20 users) |
|---|---|---|
| Hobby | $0 | $0 |
| Pro | $20 | $4,800 |
| Teams | $40 | $9,600 |
| Enterprise | Custom | Custom |
Top 3 Models: GPT-4o · Claude Sonnet / Opus 4.x · Gemini 2.x / 3 Pro
3. Windsurf
Vendor: Codeium
Pricing URL: https://windsurf.com/pricing
Best for: Teams wanting an AI IDE with proprietary agentic SWE models and transparent new pricing as of March 2026.
Windsurf relaunched with a revised, transparent pricing structure in March 2026, replacing its previous opaque credit system. The Teams plan at $40/user/month mirrors Cursor's pricing but differentiates with first-party SWE-1 / SWE-1.5 models — Windsurf's own agentic coding models purpose-built for multi-step tasks — alongside frontier options like GPT-5.x and Claude Opus 4.5/4.6.
The Teams plan includes an admin dashboard, centralized billing, knowledge base access, SSO, and RBAC controls.
Plan Options:
| Plan | Monthly/User | Annual Cost (20 users) |
|---|---|---|
| Free | $0 | $0 |
| Pro | $20 | $4,800 |
| Max | $200 | $48,000 |
| Teams | $40 | $9,600 |
| Enterprise | Custom | Custom |
Top 3 Models: SWE-1.5 (proprietary agentic) · GPT-5.x · Claude Opus 4.5 / 4.6
4. Supermaven
Vendor: Supermaven Inc.
Pricing URL: https://supermaven.com/pricing
Best for: Budget-conscious teams prioritizing ultra-fast, low-latency code completions with a large context window.
Supermaven is purpose-built for speed. Its proprietary completion model runs on a 1-million-token context window and is significantly faster than most alternatives — latency-sensitive tasks like large-file refactors benefit disproportionately. The Team plan is $10/user/month, providing centralized billing and org management at the lowest fixed per-seat price in this comparison.
Chat features support GPT-4o and Claude 3.5/4.x Sonnet for conversational coding tasks beyond completions.
Plan Options:
| Plan | Monthly/User | Annual Cost (20 users) |
|---|---|---|
| Free | $0 | $0 |
| Pro | $10 | $2,400 |
| Team | $10 | $2,400 |
| Enterprise | Custom | Custom |
Top 3 Models: Supermaven own model (completions, 1M-token context) · GPT-4o · Claude 3.5/4.x Sonnet
5. Claude Code (Anthropic)
Vendor: Anthropic
Pricing URL: https://www.anthropic.com/pricing
Best for: Teams doing heavy agentic, multi-step coding work requiring the most capable frontier models without IDE lock-in.
Claude Code is a CLI-first agentic coding tool that runs directly in the terminal and integrates with any editor. It is not bundled into an IDE — which is both a strength (portable, scriptable) and a limitation for teams wanting GUI workflows.
Access is via Anthropic Team seats. The Standard seat ($20/user/month) includes Claude Code with normal usage limits. The Premium seat ($100/user/month) provides 5× usage headroom — essential for teams running long autonomous coding sessions with Claude Opus 4.6, currently the highest-scoring model on SWE-bench (47.9 score as of March 2026).
Plan Options:
| Plan | Monthly/User | Annual Cost (20 users) |
|---|---|---|
| Pro (individual) | $20 | $4,800 |
| Team Standard | $20 | $4,800 |
| Team Premium | $100 | $24,000 |
| Enterprise | Custom | Custom |
Top 3 Models: Claude Opus 4.6 (#1 SWE-bench, 47.9) · Claude Sonnet 4.6 · Claude Haiku 4.5
6. Google Antigravity
Vendor: Google
Pricing URL: https://one.google.com/about/google-ai-plans/
Best for: Teams already in Google Cloud / Workspace wanting a spec-driven, agent-first IDE powered by Gemini 3 Pro.
Google Antigravity IDE is an agent-first development environment — not just a plugin — designed around spec-driven development workflows and deep integration with Google Cloud services. It is accessed through Google AI subscription plans rather than as a standalone IDE purchase.
In March 2026, pricing drew controversy when Google raised limits that effectively pushed power users from the $19.99–$29/month Google AI Pro tier toward the Google AI Ultra plan at $249.99/user/month, which includes 25,000 AI credits/month, priority traffic, and $100 Google Cloud credits. For teams, a Workspace Team Add-on at approximately $30–$45/user/month provides centralized billing, data privacy controls, and shared quota management.
Plan Options:
| Plan | Monthly/User | Annual Cost (20 users) |
|---|---|---|
| Free | $0 (rate-limited) | $0 |
| Google AI Pro | ~$20–$29 | ~$4,800–$6,960 |
| Workspace Team Add-on | ~$30–$45 | ~$7,200–$10,800 |
| Google AI Ultra | $249.99 | $59,997.60 |
Top 3 Models: Gemini 3.1 Pro · Claude Sonnet / Opus 4.6 · GPT-OSS-120B class
7. Z.ai – GLM Coding Plan
Vendor: Zhipu AI (Z.ai)
Pricing URL: https://z.ai/subscribe
Best for: Cost-sensitive developers or teams using open-source-adjacent models with strong coding benchmarks. GLM-5.1 ranks #2 on SWE-bench (45.3 score as of March 27, 2026).
The GLM Coding Plan is a developer-oriented subscription from Zhipu AI giving access to their GLM family of coding models via an OpenAI-compatible API. It plugs into 20+ coding tools including Claude Code, Cursor, Cline, Kilo Code, and OpenClaw. Plans are billed monthly, quarterly (−10%), or yearly (−30%).
Unlike traditional per-seat enterprise SaaS, each developer purchases their own GLM Coding Plan subscription individually. It is particularly compelling as a cost-efficient backend for teams using open-source agents like Cline or OpenCode — GLM-5.1 at Pro tier pricing ($30/mo) delivers near-frontier coding performance at a fraction of Claude API costs.
Plan Options:
| Plan | Monthly | Quarterly | Annual (est.) | Annual Cost (20 users, monthly billing) |
|---|---|---|---|---|
| Lite | $10 | $27/qtr | ~$84/yr | $2,400 |
| Pro | $30 | $81/qtr | ~$252/yr | $7,200 |
| Max | $80 | $216/qtr | ~$672/yr | $19,200 |
Model Access by Plan:
| Model | Lite | Pro | Max |
|---|---|---|---|
| GLM-5.1 (SWE-bench #2) | ✅ | ✅ | ✅ |
| GLM-5-Turbo | ✅ | ✅ | ✅ |
| GLM-5 (full) | ❌ | ✅ | ✅ |
| GLM-4.7, GLM-4.6, GLM-4.5-Air | ✅ | ✅ | ✅ |
| Vision/Web MCP tools | ❌ | ✅ | ✅ |
Top 3 Models: GLM-5.1 · GLM-5 (Pro/Max) · GLM-5-Turbo
8. Tabnine
Vendor: Tabnine Ltd.
Pricing URL: https://www.tabnine.com/pricing/
Best for: Security-conscious enterprises needing zero data retention, air-gapped / on-premises deployment, and IP protection.
Tabnine is the compliance-first choice. Its Tabnine Code Assistant Platform at $39/user/month includes SSO, zero data retention guarantees, VPC and on-premises deployment options, RBAC, and a dedicated customer success manager. For teams in regulated industries (finance, healthcare, defense), Tabnine's private deployment model is often a hard requirement.
The platform includes Tabnine's own in-house models trained on permissively licensed code, plus optional Claude 3/3.5 Sonnet as a backing model for Tabnine Chat.
Plan Options:
| Plan | Monthly/User | Annual Cost (20 users) |
|---|---|---|
| Dev | $9 | $2,160 |
| Tabnine Platform | $39 | $9,360 |
| Enterprise | Custom | Custom |
Top 3 Models: Tabnine Protected (proprietary) · Claude 3/3.5 Sonnet · GPT-4o class (via model selection)
9. Codeium (Extensions / Platform)
Vendor: Codeium / Windsurf
Pricing URL: https://codeium.com/enterprise
Best for: Individual developers (completely free) or large enterprises needing a quote-based platform.
Codeium's VS Code / JetBrains / Neovim extensions remain free for individual developers with unlimited usage — a remarkable value that continues to attract large individual user bases. For enterprise teams, pricing is quote-based via sales and not publicly listed. The enterprise platform provides centralized seat management, analytics dashboards, and optional access to GPT-4o and Claude 3.5 models alongside Codeium's own engine.
Note: Codeium's IDE product (Windsurf Editor) is separately priced above.
Plan Options:
| Plan | Monthly/User | Annual Cost (20 users) |
|---|---|---|
| Individual | $0 | $0 |
| Teams/Enterprise | Quote-based | Contact sales |
Top 3 Models: Codeium proprietary engine · GPT-4o (enterprise) · Claude 3.5 Sonnet (enterprise)
10. OpenCode
Vendor: SST / Open Source
Pricing URL: https://opencode.ai / https://opencode.ai/zen
Best for: Senior engineers and platform teams wanting maximum model flexibility with zero tool licensing cost.
OpenCode is a fully open-source terminal-based coding agent (MIT license) that works with any LLM provider via BYOK (Bring Your Own Key). It supports 70+ models across Anthropic, OpenAI, Google, Mistral, and more. The OpenCode Zen gateway offers a curated, pre-optimized model selection with a pay-as-you-go $20 top-up model — no subscriptions, no per-seat fees.
For teams, OpenCode is attractive as a zero-licensing-cost backbone that routes through your chosen LLM provider at API rates. The trade-off is that it requires engineering setup and LLM budget governance.
Plan Options:
| Plan | Cost | Annual Cost (20 users) |
|---|---|---|
| Open Source (BYOK) | $0 | $0 (+ API costs) |
| Zen Gateway | $20 pay-as-you-go top-ups | Variable |
Top 3 Models: Claude Sonnet 4.x · GPT-5 / GPT-5 Codex · Gemini 3 Pro / Flash
11. Kiro
Vendor: Kiro (independent)
Pricing URL: https://kiro.dev + https://kiro.dev/blog/new-pricing-plans-and-auto/
Best for: Developers wanting a credit-based agentic coding agent with the latest Claude Sonnet models and flexible usage tiers.
Kiro is a credit-based agentic coding tool with an Auto agent mode that intelligently routes tasks to the best available model. Credits are consumed per agentic task, not per token, making cost somewhat predictable. The Pro tier ($20/month, 1,000 credits) is the recommended baseline for individual developers; Pro+ at $40/month doubles the credits. Team billing is listed as "coming soon."
Kiro was early to ship Claude Sonnet 4.6 as a named model option and positions its Auto agent as the default recommended mode for agentic coding workflows.
Plan Options:
| Plan | Monthly/User | Credits | Annual Cost (20 users) |
|---|---|---|---|
| Free | $0 | 50 | $0 |
| Pro | $20 | 1,000 | $4,800 |
| Pro+ | $40 | 2,000 | $9,600 |
| Power | $200 | 10,000 | $48,000 |
Top 3 Models: Claude Sonnet 4.6 · Auto agent (multi-model routing) · Gemini 3 Pro
12. Cline
Vendor: Cline (Open Source)
Pricing URL: https://cline.bot/pricing + https://cline.bot/enterprise
Best for: Teams wanting maximum model flexibility, full autonomy over data, and zero tool licensing cost. Supports all major providers via BYOK.
Cline is a VS Code extension (open-source, MIT license) that functions as an autonomous coding agent. Like OpenCode, it is BYOK — you configure your own API provider (Anthropic, OpenAI, Google, OpenRouter, Bedrock, etc.) and pay only API costs. This makes Cline arguably the most flexible tool in this comparison.
The Enterprise offering provides compliance features, centralized API key management, and usage analytics at a quote-based price. At API-direct rates with Claude Sonnet 4.6, typical Cline usage costs approximately $15–$40/developer/month depending on task volume.
Plan Options:
| Plan | Monthly/User | Annual Cost (20 users) |
|---|---|---|
| Open Source (BYOK) | $0 | $0 (+ API costs) |
| Enterprise | Quote-based | Contact sales |
Top 3 Models: Claude Sonnet 4.x (most popular config) · GPT-4o / o3 · Gemini 3 Pro / 2.5
Full Cost Comparison Table (20-Seat Team)
Pricing sourced directly from vendor sites as of April 2026. Team-recommended tier is bolded where applicable.
| Tool | Team Plan (recommended) | $/user/month | Annual cost – 20 users | Top 3 coding models | Pricing link |
|---|---|---|---|---|---|
| GitHub Copilot | Business | $19 | $4,560 | GPT-4.1/4o · Claude 3.5/4.x Sonnet · Gemini 2.5 Pro | https://docs.github.com/en/copilot/get-started/plans |
| Cursor | Teams | $40 | $9,600 | GPT-4o · Claude Sonnet/Opus 4.x · Gemini 3 Pro | https://cursor.com/pricing |
| Windsurf | Teams | $40 | $9,600 | SWE-1.5 · GPT-5.x · Claude Opus 4.5/4.6 | https://windsurf.com/pricing |
| Supermaven | Team | $10 | $2,400 | Supermaven own model · GPT-4o · Claude 3.5/4.x Sonnet | https://supermaven.com/pricing |
| Claude Code | Team Standard | $20 | $4,800 | Claude Opus 4.6 · Claude Sonnet 4.6 · Claude Haiku 4.5 | https://www.anthropic.com/pricing |
| Google Antigravity | Workspace Team Add-on | ~$35 est. | ~$8,400 | Gemini 3.1 Pro · Claude Opus 4.6 · GPT-OSS-120B | https://one.google.com/about/google-ai-plans/ |
| Z.ai – GLM Coding Plan | Pro (individual, BYOK-compatible) | $30 | $7,200 | GLM-5.1 · GLM-5 · GLM-5-Turbo | https://z.ai/subscribe |
| Tabnine | Tabnine Platform | $39 | $9,360 | Tabnine Protected · Claude 3.5 Sonnet · GPT-4o class | https://www.tabnine.com/pricing/ |
| Codeium | Free (individual) / Quote (enterprise) | $0 | $0 (enterprise: contact sales) | Codeium engine · GPT-4o · Claude 3.5 Sonnet | https://codeium.com/enterprise |
| OpenCode | Open-source BYOK | $0 | $0 (+ API costs) | Claude Sonnet 4.x · GPT-5/Codex · Gemini 3 Pro/Flash | https://opencode.ai |
| Kiro | Pro ($20, 1,000 credits/mo) | $20 | $4,800 | Claude Sonnet 4.6 · Auto agent · Gemini 3 Pro | https://kiro.dev |
| Cline | Open-source BYOK | $0 | $0 (+ API costs) | Claude Sonnet 4.x · GPT-4o/o3 · Gemini 3 Pro/2.5 | https://cline.bot/pricing |
Model Quality Benchmarks
The following SWE-bench scores reflect real-world autonomous coding task resolution rates as of March 27, 2026, based on 113 coding tasks measured using Claude Code as the harness (source: z.ai/subscribe benchmarks):
| Model | SWE-bench Score | Availability in coding tools |
|---|---|---|
| Claude Opus 4.6 | 47.9 | Claude Code, Copilot, Cursor, Windsurf, Kiro, Cline, OpenCode |
| GLM-5.1 | 45.3 | Z.ai GLM Coding Plan (all plans), Cline/OpenCode via API |
| GLM-5 | 35.4 | Z.ai GLM Coding Plan (Pro/Max only) |
Note: GPT-5 and Gemini 3 Pro scores are available in independent benchmarks but are not shown in this specific z.ai harness comparison.
Choosing the Right Tool for Your Team
Decision Framework
`plaintext
Are you in a regulated industry (finance, healthcare, defense)?
├─ Yes → Tabnine (zero retention, on-prem/VPC)
└─ No ↓
Do you want maximum frontier model performance for autonomous coding?
├─ Yes, and budget is flexible → Claude Code (Team Premium, $100/seat)
├─ Yes, within a fixed IDE → Cursor or Windsurf (Teams, $40/seat)
└─ No ↓
Are you already on GitHub / Azure?
├─ Yes → GitHub Copilot Business ($19/seat)
└─ No ↓
Is budget the primary constraint?
├─ Yes, fixed tool cost → Supermaven ($10/seat) or Z.ai GLM Pro ($30/dev)
├─ Yes, zero tool cost → Cline or OpenCode (BYOK, pay API only)
└─ No ↓
Do you want model flexibility without IDE lock-in?
├─ CLI/terminal workflow → Claude Code or OpenCode
└─ GUI/IDE workflow → Cursor, Windsurf, or Kiro
`
Team Size & Budget Recommendations
| Team size | Recommended tool | Reasoning |
|---|---|---|
| 1–5 devs | Cline / OpenCode (BYOK) | Zero licensing; dial in API spend per workload |
| 5–15 devs | Z.ai GLM Pro + Cline | $30/dev/mo for near-frontier models, fully flexible |
| 15–30 devs | GitHub Copilot Business | Governance, SSO, audit logs, $19/seat, multi-model |
| 30+ devs | Cursor/Windsurf Teams or Tabnine | Pooled usage, admin controls, enterprise SLAs |
| Regulated/compliance teams | Tabnine Platform | On-prem, zero retention, dedicated CSM |
Total Cost of Ownership Considerations
Sticker price is only part of the story. Factor in the following when calculating true TCO:
LLM API costs for BYOK tools – Cline and OpenCode have $0 tool licensing but require LLM budget. Claude Sonnet 4.6 at API rates costs approximately $3/MTok input and $15/MTok output (as of April 2026). At moderate usage, expect $15–$40/dev/month in API costs.
Platform prerequisites – GitHub Copilot Enterprise requires GitHub Enterprise Cloud ($21/user/month), effectively doubling the cost to ~$60/seat.
Google Antigravity Ultra – At $249.99/user/month, a 20-person team on Ultra costs nearly $60,000/year — comparable to hiring a junior engineer. Consider the Workspace Team Add-on tier unless your team has sustained high-intensity usage.
Z.ai quarterly/annual discounts – GLM Coding Plan offers −10% on quarterly billing and −30% on annual billing. At annual rates, the Pro plan drops to effectively ~$21/month — making it among the cheapest access paths to a top-tier SWE-bench model.
IDE switching costs – Cursor and Windsurf are standalone IDEs (VS Code forks), not plugins. Migration effort (settings, extensions, keybindings, CI/CD integration) for 20+ developers can cost 1–3 days of engineering time per developer.
Model routing overhead – Tools like Kiro (credit-based), OpenCode Zen (balance top-ups), and Windsurf (Teams quota) have nuanced usage accounting. Ensure you monitor consumption to avoid mid-sprint quota exhaustion.
Conclusion
In 2026, the best AI coding agent for your team depends less on feature checklists and more on how your team works, what your compliance posture is, and how you want to manage LLM spend.
- Best value per dollar: Supermaven Team ($10/seat) or Z.ai GLM Coding Plan Pro ($30/dev) — both deliver near-frontier coding performance at minimal cost.
- Best for enterprise governance: GitHub Copilot Business ($19/seat) — audit logs, SSO, multi-model, IP indemnity.
- Best for max autonomous coding performance: Claude Code Team Premium ($100/seat) with Opus 4.6.
- Best for zero licensing cost: Cline or OpenCode — bring your own keys, pay only for what you use.
- Best for compliance-first teams: Tabnine Platform ($39/seat) — on-prem, zero retention.
- Best IDE experience (agentic): Cursor or Windsurf Teams ($40/seat) — purpose-built IDE with multi-model agentic workflows.
The frontier is moving fast. Re-evaluate every quarter — model benchmarks, pricing, and product capabilities are shifting at a pace unmatched in software tooling history.
Last updated: April 2026. All pricing verified from official vendor sources. Benchmark scores from z.ai/subscribe SWE-bench harness (113 tasks, March 27, 2026).
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