Claude Opus 5.5 — #1 in Coding & AI Agents
Not yet on this site
Overview
Claude Opus 5.5 from Anthropic sits at the top of the HuaLinYuan Coding leaderboard (Index 1811) and the AI Agents leaderboard (Index 17.89), while holding the #3 spot on the Text & Chat board (Index 1508). This positioning signals strong performance on complex programming tasks, multi-step agent workflows, and high-quality general conversation.
The model suits developers building autonomous coding agents, teams automating multi-tool workflows, and users who prioritize top-tier reasoning over cost. Official API pricing is $4 per million input tokens and $20 per million output tokens. It is not yet available on this site; comparable alternatives you can try today include Gemini 3.8 Flash, Kimi K3, and Gemini 3.7 Flash.
Strengths
- Tops Coding leaderboard
- Leads AI Agents board
- Strong general chat rank
- Suited for complex reasoning
Best for
- Autonomous code generation
- Multi-step agent workflows
- Advanced reasoning tasks
- High-stakes analysis
Things to know
- High per-token cost
- Not yet on this site
Claude Opus 5.5 vs other models
FAQ
What does Claude Opus 5.5 cost — is it free?
It is not free. Official API pricing is $4 per million input tokens and $20 per million output tokens. There is no free tier mentioned in the provided facts.
What is this model best at?
It ranks #1 on the HuaLinYuan Coding board (Index 1811) and #1 on the AI Agents board (Index 17.89), indicating top-tier performance for programming and autonomous agent tasks. It also ranks #3 on Text & Chat (Index 1508).
How should I choose between this and comparable models?
Choose Opus 5.5 when you need the highest Coding and AI Agent scores and can accept the $4/$20 per 1M token price. If you need a model available on this site today, try Gemini 3.8 Flash, Kimi K3, or Gemini 3.7 Flash, which are listed as comparable alternatives.
Can I use Claude Opus 5.5 on HuaLinYuan or LongHua AI right now?
No, it is not yet available on this site. You can use the comparable models that are currently accessible: Gemini 3.8 Flash, Kimi K3, and Gemini 3.7 Flash.
Similar models you can use here
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