Claude Opus 4 pricing & benchmarks
Claude Opus 4 is available from Anthropic at $15.00 per million input tokens and $75.00 per million output tokens ($30.00 blended at 3:1). It accepts up to 200,000 tokens of context. Claude Opus 4 is benchmarked as the world’s best coding model, at time of release, bringing sustained performance on complex, long-running tasks and agent workflows. It sets new benchmarks in...
Pricing
Per million tokens · OpenRouter
Input$15.00
Output$75.00
Blended (3:1)$30.00
Specification
anthropic/claude-opus-4
Context window200K
Max output32K
ReleasedMay 2025
LicenceProprietary
Modalitiesin:text, in:image, in:file, out:text
Benchmarks
Independently run — not vendor self-reports. Every score links its source.
| Benchmark | Score | Config | Run | Source |
|---|---|---|---|---|
| GPQA Diamond | 76.3% ±3.0 | 16k thinking effort | 2025-05-22 | Independently run · Epoch AI |
| SWE-bench Verified | 70.7% ±2.1 | — | 2026-02-06 | Independently run · Epoch AI |
| OTIS Mock AIME | 64.4% ±7.2 | 27k thinking effort | 2025-05-28 | Independently run · Epoch AI |
Scores published by Epoch AI, 'AI Benchmarking Hub', used under CC BY 4.0.
Cheaper models that score at least as well on GPQA Diamond
Strictly lower blended price AND an equal-or-higher GPQA Diamond score. One benchmark is one dimension — a model that wins here may still be weaker at your specific task.
| Model | Provider | Blended $/1M | GPQA Diamond | |
|---|---|---|---|---|
| DeepSeek V4 Flash 0731 | DeepSeek | $0.113 (−100%) | 91.0% | Compare → |
| GPT-5.6 Luna | OpenAI | $0.225 (−99%) | 91.6% | Compare → |
| GLM 5.2 | Zhipu AI | $0.387 (−99%) | 91.9% | Compare → |
| Qwen3.6 Flash | Alibaba | $0.422 (−99%) | 83.3% | Compare → |
| GPT-5.4 Nano | OpenAI | $0.463 (−98%) | 78.5% | Compare → |
Compare Claude Opus 4
FAQ
How much does Claude Opus 4 cost?
Claude Opus 4 costs $15.00 per million input tokens and $75.00 per million output tokens on OpenRouter. At a 3:1 input:output mix that blends to $30.00 per million tokens.
What is Claude Opus 4's context window?
Claude Opus 4 accepts up to 200,000 tokens of context, and can generate up to 32,000 output tokens.
How good is Claude Opus 4 on benchmarks?
Claude Opus 4 scores 76.3% on GPQA Diamond, independently run and published by Epoch AI. 3 benchmark results are listed on this page, each with its run date and source.
Is there a cheaper model as good as Claude Opus 4?
Yes — 5 models in our catalogue cost less per token than Claude Opus 4 and score at least as high on the same benchmark. The cheapest is DeepSeek V4 Flash 0731 at $0.113 per million tokens blended.