Claude 4.1 Opus, released by Anthropic in August 2025, is the upgraded flagship of the Claude 4 family, building on Opus 4 with stronger reasoning and agentic capabilities. Like its predecessor, it is multimodal and optimized for text, code, and tool use, with support for large context windows suited to multi-file codebases, technical workflows, and long-horizon problem solving.
On benchmarks, Opus 4.1 improves coding performance, reaching ~74.5% on SWE-Bench Verified compared to Opus 4’s ~72.5%. It demonstrates more precise debugging, refactoring, and orchestration of agentic tasks while maintaining similar safety and alignment safeguards. It is best suited for enterprise-scale software development, research automation, and advanced reasoning workflows where reliability and depth of analysis are critical.
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Usage
Past 30 Days| Category | Passed | Score |
|---|---|---|
| Document Understanding | 8 / 9 | 88.9% |
| Defect Detection | 11 / 15 | 73.3% |
| Object Understanding | 9 / 14 | 64.3% |
| Spatial Understanding | 12 / 19 | 63.2% |
| Object Counting | 0 / 10 | 0% |
| Category | Passed | Score |
|---|---|---|
| Text Recognition | 24 / 30 | 80% |
| Focused Scene OCR | 73 / 99 | 73.7% |
| VQA & Extraction | 41 / 60 | 68.3% |
| License Plate Recognition | 16 / 30 | 53.3% |
| Handwritten Math | 3 / 10 | 30% |
Scores based on a single evaluation run · Methodology
View all Vision Evals →Claude Opus 4.1 costs $15.00 per 1M input tokens and $75.00 per 1M output tokens.
Pricing updated Jun 28, 2026
Estimated cost per task vs. Visual Understanding score, for this model and others ranked near it. Upper-left is the sweet spot (high quality, low cost).
11 of 11 models plotted
| Model | Score | Median tokens | Est. cost / task | Compare |
|---|---|---|---|---|
| Claude Opus 4.8 | 67.2% | 2.2K | $0.012 | Compare |
| Claude Opus 4.7 | 67.2% | 2.6K | $0.015 | Compare |
| Gemma 4 31B | 67.2% | 467 | $0.0001 | Compare |
| Claude Opus 4.6 | 64.2% | 2.3K | $0.014 | Compare |
| Claude Sonnet 4.5 | 59.7% | 2.3K | $0.0092 | Compare |
| Claude Opus 4.1(this model) | 59.7% | 2.1K | $0.040 | — |
| GPT-5 Nano | 58.2% | 2.7K | $0.0003 | Compare |
| Qwen3.5 397B A17B | 58.2% | 1.5K | $0.0006 | Compare |
| Gemini 2.5 Flash | 55.2% | 476 | $0.0005 | Compare |
| Gemini 2.5 Flash-Lite | 53.7% | 301 | $0.0000 | Compare |
| Kimi K2.5 | 35.8% | 2.7K | $0.0021 | Compare |
Other models worth comparing for similar use cases.
Other versions in the same family as Claude Opus 4.1.
License terms and commercial-use guidance for Claude Opus 4.1.
License information is provided as a guide and is not legal advice.