Claude Opus 4.6 vs Claude Opus 4.7
MCP-Atlas Public?
Opus 4.6at max79
Opus 4.7at max80.8
MCP-Atlas · full 1000?
Opus 4.6at max76.8
Opus 4.7at max79.1
EBR Bench?
Opus 4.6at max12.7
Opus 4.7at max19
| Benchmark | Opus 4.6 | Opus 4.7 |
|---|---|---|
| MCP-Atlas Public | 79 · max | 80.8 · max |
| MCP-Atlas · full 1000 | 76.8 · max | 79.1 · max |
| τ³-bench · banking · 1.0.1 | 27.3 · max | 40.2 · max |
| Terminal-Bench Hard (version unstated) | 48.5 | 54.5 |
| AA-LCR (long context) 1.1 | 67 | 75.7 |
| DeepSWE 1.1 | 31.9 · max | 49.3 · max |
| EBR Bench | 12.7 · max | 19 · max |
| Furniture Assembly | 28.3 · max | 33.3 · max |
| GDPval-AA (work tasks) 2.1 | — | 42.6 · max |
| τ³-Banking · AA | — | 34.6 · max |
| AA Analyst Agent | — | 43.8 · max |
| ITBench SRE | — | 46.7 · max |
| APEX-Agents | 33 · max | — |
| AA-Briefcase 1.1 · Elo | — | 1,067.9 |
| SWE-bench Pro (private) | 47.1 | — |
Specs
| Spec | Opus 4.6 | Opus 4.7 |
|---|---|---|
| Input, per 1M | $5 | $5 |
| Output, per 1M | $25 | $25 |
| Speed, tok/s | 45 | 59 |
| Context | 1M | 1M |
| Weights | Closed | Closed |
| Released | Feb 2026 | Apr 2026 |
| See images | ✓ | ✓ |
| Read PDFs | Partial | Partial |
| Hear audio | — | — |
| Watch video | — | — |
| Call tools | ✓ | ✓ |
| Force a tool call | Partial | Partial |
| Return strict JSON | ✓ | ✓ |
| Search the web | ? | ? |
| Run code | ? | ? |
| Use a computer | ? | ? |
What breaks when you switch
Opus 4.6 → Opus 4.7
Nothing known.
Opus 4.7 → Opus 4.6
Nothing known.