Claude Opus 4.7 vs Claude Opus 4.6
Anthropic released Claude Opus 4.7 on April 17, 2026, roughly a month after 4.6. Pricing held steady at $15 input and $75 output per million tokens. The headline is a 5x context upgrade from 200K to 1 million tokens and a solid bump on reasoning and code benchmarks. Here is the full generational diff.
Head-to-Head Specs
| Spec | Claude Opus 4.7 | Claude Opus 4.6 |
|---|---|---|
| Provider | Anthropic | Anthropic |
| Input Price | $15.00/1M | $15.00/1M |
| Output Price | $75.00/1M | $75.00/1M |
| Context Window | 1M | 200K |
| Released | 2026-04 | 2026-03 |
| Capabilities | text, vision, tool-use, code | text, vision, tool-use, code |
Benchmark Scores
| Benchmark | Claude Opus 4.7 | Claude Opus 4.6 | Winner |
|---|---|---|---|
| MMLU-Pro | 93.8 | 92.4 | Claude |
| HumanEval | 96.2 | 95.1 | Claude |
| GPQA Diamond | 76.5 | 74.2 | Claude |
| MATH | 93.1 | 91.8 | Claude |
| SWE-bench | 65.4 | 62.3 | Claude |
See the full benchmark leaderboard for all models.
Category Breakdown
1M tokens on 4.7 vs 200K on 4.6, a 5x jump
4.7 scores 96.2 on HumanEval vs 4.6 at 95.1
4.7 leads on GPQA Diamond (76.5 vs 74.2) and MMLU-Pro (93.8 vs 92.4)
4.7 scores 93.1 on MATH vs 4.6 at 91.8
4.7 posts 65.4 vs 4.6 at 62.3 on real engineering tasks
Both cost $15/$75 per 1M tokens
Choose Claude Opus 4.7 when:
- ▸Workloads that benefit from 1M context
- ▸Long-running agent sessions
- ▸Whole-repository code tasks
- ▸Multi-document research synthesis
Choose Claude Opus 4.6 when:
- ▸Existing prompts tuned to 4.6 behavior
- ▸Workloads that fit in 200K and do not need migration
- ▸Enterprise teams on version-pinned contracts
- ▸Evaluation and regression testing against 4.6
Frequently Asked Questions
Which is better, Claude Opus 4.7 or Claude Opus 4.6?
It depends on your use case. Claude Opus 4.7 from Anthropic excels at workloads that benefit from 1m context, while Claude Opus 4.6 from Anthropic is better for existing prompts tuned to 4.6 behavior. See the full comparison above for detailed benchmarks and pricing.
How much does Claude Opus 4.7 cost compared to Claude Opus 4.6?
Claude Opus 4.7 costs $15.00 input and $75.00 output per 1M tokens. Claude Opus 4.6 costs $15.00 input and $75.00 output per 1M tokens.
What is the context window difference between Claude Opus 4.7 and Claude Opus 4.6?
Claude Opus 4.7 supports 1M tokens, while Claude Opus 4.6 supports 200K tokens.