Anthropic: Claude Opus 4.1
Analysis Summary
Anthropic: Claude Opus 4.1 sits in the Professional tier on our leaderboard, ranked #35 of 525 published models on overall intelligence. At $15.00 input and $75.00 output per 1M tokens, it is among the most expensive on the market. It offers a generous context window for extended reasoning and code review and supports tool use, function calling, vision, and reasoning.
Editorial notes
Claude Opus 4.1 from Anthropic is a well-rounded flagship with strong reasoning, coding, and agentic performance, plus multimodal support and a 200K context window ā though its premium pricing ($15/$75 per million tokens) positions it firmly at the high end of the market.
Assessed April 23, 2026
Rankings consider pricing, capabilities, benchmarks, and real-world applicability and are refreshed as new models launch. Feedback?
Performance Profile
Claude Opus 4.1 is an updated version of Anthropicās flagship model, offering improved performance in coding, reasoning, and agentic tasks. It achieves 74.5% on SWE-bench Verified and shows notable gains..
Capabilities
Performance Indices
Source: Artificial Analysis
Benchmark Scores
Intelligence
Technical
Content
Benchmark data from Artificial Analysis and Hugging Face
How does Anthropic: Claude Opus 4.1 stack up?
Compare side-by-side with other professional models.
Model Information
| OpenRouter ID |
anthropic/claude-opus-4.1
|
| Provider | anthropic |
| Release Date | August 5, 2025 |
| Context Length | 200,000 tokens |
| Max Completion | 32,000 tokens |
| Status | Active |
Pricing
| Token Type | Cost per 1M tokens | Cost per 1K tokens |
|---|---|---|
| Input | $15.00 | $0.015000 |
| Output | $75.00 | $0.075000 |
Live Performance
Live endpoint metrics ā refreshed every 30 minutes.
