DEV Community: Pandas

Claude Opus 4.8 vs Older Claude: What’s Really Changed?

Pandas — Tue, 02 Jun 2026 03:48:54 +0000

If you’ve been following AI models for a while, you’ve probably noticed that Claude has gone through some serious upgrades. But what exactly makes the new Claude Opus 4.8 different from the older versions?

Let’s break it down — simply, honestly, and without hype.

What got better?

Much more honest
Older Claude sometimes hallucinated answers. Opus 4.8 is far more likely to admit uncertainty. For developers and researchers using the Claude API, this is a game-changer — you waste less time verifying false claims.
Fewer coding mistakes
In internal tests, Opus 4.8 missed bugs in its own code about 4 times less often than the older model. If you’re using it through a transite website or integrating it into your app, that means fewer silent failures.
Multi-agent power (Dynamic Workflows)
This is the coolest new feature. Opus 4.8 can orchestrate hundreds of smaller AI agents to work together. For example, it can rewrite an entire software project — something the older Claude could never handle alone.
Adjustable thinking effort
You can now choose between:

High effort — deeper reasoning, slower response
Low effort — faster, cheaper replies
The fast mode is about one-third the price of the older model’s standard mode. That’s huge for API users.

Where it still falls short ?

Let’s be fair — no model is perfect.

Not always faster
If you choose the high-effort mode, responses can be noticeably slower than the older Claude. Speed is a trade-off for depth.
Still limited context in some plans
While Opus 4.8 has a large context window, not every API tier or transite website integration gives you full access. Check your plan.
Overkill for simple tasks
For basic Q&A or casual chat, the older Claude might actually feel more “natural” and quick. Opus 4.8 is built for complex work — using it for simple tasks feels like driving a race car to the grocery store.

Not widely available everywhere
Depending on your region or platform, you may not have direct access to the Claude API for Opus 4.8 yet. Some third-party transite website tools still run older versions.

Final verdict

Choose older Claude if you need quick, casual answers and don’t mind occasional mistakes.

Choose Claude Opus 4.8 if you’re building serious applications, writing code, or using the Claude API at scale — especially through a transite website that supports the latest features.

How to use Claude in vscode?

Pandas — Mon, 25 May 2026 07:20:46 +0000

I. Installing the Claude Plugin in VSCode

II. Create a new configuration file

Add a config.json file to the ~/.claude directory

The content of config.json is as follows: Replace config.json with the API key you applied for yourself at Zhipu:

{
"primaryApiKey": "sk-test"

}

Restart VS Code. You no longer need to log in, but it still won't work.

III. Modify the configuration file
Claude Code -> Settings -> Edit in settings.json

Add the following field:

"claudeCode.environmentVariables": [

{
"name": "ANTHROPIC_BASE_URL",

"value": "https://open.bigmodel.cn/api/anthropic"

{
"name": "ANTHROPIC_AUTH_TOKEN",

"value": "Replace with the API key you applied for yourself at Zhipu"

}
] Close and reopen VS Code.

IV. Claude Code Usage Tips

parse the project and generate or update the CLAUDE.md documentation.

/init

Clear the conversation and restart

/clear

Compact the context

/compact

Exit the session

/exit

Deep Thinking

ultrathink+query

May stupid but I want to know...

Pandas — Fri, 22 May 2026 07:47:35 +0000

If you could keep only one AI coding tool — Claude Code or Codex — which one would it be?

No "it depends" answers. You must pick one. Just curious about this...