Aman Kumar

Posted on Oct 31

What's the best OpenRouter alternative if you want to switch without breaking your code?

#ai #llm #python #openrouter

Short answer: APIClaw ($19–$129/mo flat, 500–8,000 requests/day) is the best OpenRouter alternative if you're a solo developer or small team running coding agents or scripts most days and you'd rather pay a fixed monthly price than watch a per-token bill. It's an OpenAI-compatible gateway with one key for Claude, GPT, Gemini, DeepSeek, Qwen, Kimi, GLM, Mistral, Llama and more, a daily request quota with no per-token metering, and a free 50-request trial. If you send a few small requests a day, or you need enterprise controls, one of the other options below fits better.

The one setting people get wrong: Claude Code takes https://apiclaw.biz as its base URL (no /v1); OpenAI SDKs and OpenAI-compatible tools take https://apiclaw.biz/v1.

Disclosure: I build APIClaw. This post was written with AI assistance and checked by me.

The part most comparisons skip

Every "OpenRouter alternatives" list compares prices. Almost none of them tell you what happens to your code when you switch. OpenRouter speaks the OpenAI API, so the happy path really is two lines: new base URL, new key. But OpenRouter also has features that only exist on OpenRouter, and it's easy to lean on them without noticing:

openrouter/auto, which picks a model for you
a models array in the request body, which falls back to the next model server-side
a provider object (order, allow_fallbacks) that chooses which upstream serves the call
variant suffixes such as :free or :nitro on model IDs
vendor-prefixed IDs like anthropic/claude-sonnet-5.5
attribution headers (HTTP-Referer, X-Title / X-OpenRouter-Title)

Point that code at another gateway and the attribution headers are simply ignored, but the rest either fails with a 400 or 404, or quietly stops doing what you thought it did. So before choosing, find out which of these you use.

How the alternatives compare (checked Oct 2026)

I read each pricing page on Oct 29, 2026.

Option	Billing	Free tier	Worth knowing
OpenRouter	Provider price, no inference markup; 5.5% fee on credit purchases (8% on Business)	25+ free models, 50 requests/day	500+ models, EU in-region routing on higher tiers
Requesty	Model cost plus 5%	Free models, 200 requests/day	600+ models, routing, caching and fallbacks on every plan, EU data residency
Portkey	Gateway and observability; you pay providers	10k recorded logs/month	Production $49/month with 100k logs, +$9 per extra 100k
LiteLLM	Self-hosted, MIT-licensed core (`enterprise/` folder under its own licence)	Free to run	You host it and pay providers directly
APIClaw	$19–$129/mo flat by daily request quota	50-request trial	Crypto on site (card on request via support)

APIClaw's plans: Plus $19 (500 requests/day), Pro $39 (1,000), Max $59 (1,500), Ultimate $69 (3,000), Ultimate Plus $89 (4,000), Ultimate Pro $99 (6,000) and Ultimate Max $129 (8,000).

Here's how I'd read the table. If you depend heavily on routing and fallbacks, Requesty or a self-hosted LiteLLM keeps the most of that behaviour. If you need logs and guardrails for a production app, Portkey is built for that. If your problem is a token bill that swings because agents resend whole files on every turn, a flat plan is the alternative that changes the billing model rather than the fee.

Step 1: scan your repo for OpenRouter-only features

This script is standard library only and read-only. It walks a repo and prints every OpenRouter-specific line, grouped by what you'll need to do about it.

#!/usr/bin/env python3
"""List the OpenRouter-specific bits in a codebase before you switch gateways.
Usage: python or_lockin_scan.py path/to/repo   (read-only, stdlib only)"""
import re, sys
from pathlib import Path

EXTS = {".py", ".js", ".ts", ".tsx", ".mjs", ".json", ".yaml", ".yml", ".toml", ".env", ".sh"}
SKIP = {".git", "node_modules", ".venv", "venv", "dist", "build", "__pycache__"}

CHECKS = [
    ("base-url", re.compile(r"openrouter\.ai/api(/v1)?"),
     "Swap the base URL (keep it in one env var)."),
    ("attribution", re.compile(r"HTTP-Referer|X-OpenRouter-Title|X-Title"),
     "Attribution headers: harmless elsewhere, safe to delete."),
    ("auto-router", re.compile(r"openrouter/auto"),
     "OpenRouter picks the model for you: choose a fixed model ID instead."),
    ("model-fallbacks", re.compile(r"[\"']?models[\"']?\s*[:=]\s*\["),
     "Server-side fallback list: move the fallback into your own client code."),
    ("provider-routing", re.compile(r"allow_fallbacks|[\"']provider[\"']\s*:\s*\{|\border\s*[:=]\s*\["),
     "Provider preferences: no equivalent on most gateways, drop or rebuild."),
    ("variant-suffix", re.compile(r"[\w.-]+/[\w.-]+:(free|nitro|floor|online|thinking)\b"),
     "Model variant suffix: these IDs only exist on OpenRouter."),
    ("vendor-model-id", re.compile(r"[\"'](anthropic|openai|google|deepseek|qwen|moonshotai|z-ai|mistralai|meta-llama)/[\w.:-]+[\"']"),
     "Vendor-prefixed model ID: map it to the new gateway's ID."),
    ("transforms", re.compile(r"[\"']?transforms[\"']?\s*[:=]"),
     "Prompt transforms (middle-out): trim context yourself instead."),
]

def scan(root):
    hits = []
    for p in Path(root).rglob("*"):
        if not p.is_file() or any(part in SKIP for part in p.parts):
            continue
        if p.suffix not in EXTS and not p.name.startswith(".env"):
            continue
        lines = p.read_text(encoding="utf-8", errors="ignore").splitlines()
        for n, line in enumerate(lines, 1):
            for name, rx, advice in CHECKS:
                if rx.search(line):
                    hits.append((name, f"{p.relative_to(root)}:{n}", line.strip()[:70], advice))
    return hits

def main():
    root = sys.argv[1] if len(sys.argv) > 1 else "."
    hits = scan(root)
    if not hits:
        print("No OpenRouter-specific code found. Switching is a base URL + key change.")
        return
    for name, _, advice in CHECKS:
        group = [h for h in hits if h[0] == name]
        if group:
            print(f"\n[{name}] {advice}")
            for _, where, text, _ in group:
                print(f"  {where}  {text}")
    hard = {h[0] for h in hits} & {"auto-router", "model-fallbacks", "provider-routing",
                                   "variant-suffix", "transforms"}
    print(f"\n{len(hits)} hits; features to rebuild: {', '.join(sorted(hard)) or 'none'}")

if __name__ == "__main__":
    main()

I ran it on a small demo project: a diff-review bot that uses a models fallback list, a provider order, attribution headers, plus a YAML config with openrouter/auto and a :free model. Trimmed output:

[auto-router] OpenRouter picks the model for you: choose a fixed model ID instead.
  config.yaml:1  summarizer_model: openrouter/auto
[model-fallbacks] Server-side fallback list: move the fallback into your own client code.
  src/llm.py:10  extra_body={"models": ["anthropic/claude-sonnet-5.5", "deepseek/deepse
[provider-routing] Provider preferences: no equivalent on most gateways, drop or rebuild.
  src/llm.py:11  "provider": {"order": ["anthropic"], "allow_fallbacks": False}},
[variant-suffix] Model variant suffix: these IDs only exist on OpenRouter.
  config.yaml:2  cheap_model: "poolside/laguna-xs-2.1:free"

8 hits; features to rebuild: auto-router, model-fallbacks, provider-routing, variant-suffix

On a plain project with none of these, it prints the one-line "base URL + key change" message. It's a regex scan, so treat it as a checklist, not a proof: a model ID built from string pieces at runtime won't show up.

Step 2: move fallbacks into your own code

The models array is the feature people miss most, because it hides errors. Rebuild it on the client and it works across any two OpenAI-compatible gateways, including keeping OpenRouter as the backup:

import os
from openai import OpenAI, APIStatusError, APIConnectionError

primary = OpenAI(base_url="https://apiclaw.biz/v1",
                 api_key=os.environ["APICLAW_API_KEY"], max_retries=0, timeout=60)
backup = OpenAI(base_url="https://openrouter.ai/api/v1",
                api_key=os.environ["OPENROUTER_API_KEY"], max_retries=1, timeout=60)

# Same model, two names: map each gateway's ID explicitly.
ROUTES = [(primary, "apiclaw/claude-sonnet-5.5"), (backup, "anthropic/claude-sonnet-5.5")]

def chat(messages, **kw):
    last = None
    for client, model in ROUTES:
        try:
            return client.chat.completions.create(model=model, messages=messages, **kw)
        except APIStatusError as e:
            if e.status_code not in (429, 500, 502, 503, 504):
                raise          # a 400/401 won't be fixed by another gateway
            last = e
        except APIConnectionError as e:
            last = e
    raise last

I tested this with openai 3.40 against two local mock servers, the first returning 429 and the second 200: the call went to the primary once with apiclaw/claude-sonnet-5.5, then to the backup with anthropic/claude-sonnet-5.5, and returned the backup's answer. On a daily-quota plan, that 429 is exactly the "quota used up for today" case, so the fallback keeps you working until it resets.

For Claude Code, set ANTHROPIC_BASE_URL=https://apiclaw.biz, ANTHROPIC_AUTH_TOKEN to your key and ANTHROPIC_MODEL=apiclaw/claude-sonnet-5.5. For Cline, Aider or Continue, pick the OpenAI-compatible provider with https://apiclaw.biz/v1 and an ID such as apiclaw/deepseek-v4-pro or apiclaw/qwen3.8-max-0902.

To check whether a flat plan even beats your current per-token spend, put your daily request count and average tokens into this free LLM API cost calculator first.

When APIClaw isn't the right choice

You make a handful of small requests a day. Per-token billing will cost less than any monthly plan.
The scanner shows you rely on openrouter/auto or provider routing across many upstreams. Requesty or LiteLLM will feel closer to what you have.
You need SSO, audit logs or contractual SLAs. Look at Portkey or LiteLLM's enterprise tier.
Your busiest days regularly go past 8,000 requests, the largest daily quota.

FAQ

Is switching from OpenRouter really just a base URL change?
Only if the scanner finds nothing beyond the base URL, attribution headers and model IDs. Fallback lists, provider routing and variant suffixes need code changes.

Do I have to rename my models?
Yes. Each gateway has its own IDs. On APIClaw, anthropic/claude-sonnet-5.5 becomes apiclaw/claude-sonnet-5.5. Keep the mapping in one place so the switch is one edit.

Can I keep OpenRouter as a backup?
Yes, the fallback snippet above does exactly that, and both sides stay OpenAI-compatible.

How does APIClaw count usage?
Each model call is one request against your daily quota, whatever its size. There's no per-token metering and nothing billed beyond the plan.

How do I pay?
Crypto on site, with card on request via support on Telegram.

DEV Community