Claude Opus 5 vs GPT-5.6 Sol
EBR Bench?
Opus 5at max45.7
GPT-5.6 Solat max44.8
| Benchmark | Opus 5 | GPT-5.6 Sol |
|---|---|---|
| AutomationBench-AA | 54.3 | 51.3 |
| GDPval-AA (work tasks) 2.1 | 1,491.2 | 1,422.3 |
| τ³-bench · banking · 1.0.1 | 48.7 · max | 46.9 · xhigh |
| τ³-Banking · AA | 38.6 | 36.5 |
| AA Analyst Agent | 53.8 · max | 47.5 · max |
| Terminal-Bench 4.0 | 34.3 | 14.6 |
| Terminal-Bench Science 0.1 | 28.6 · max | 22.4 · max |
| AA-Briefcase 1.1 · Elo | 1,432.7 | 1,240.1 |
| AA-LCR (long context) 1.1 | 82 | 80.3 |
| DeepSWE 1.1 | 68.9 | 61.1 |
| EnterpriseOps-Gym-AA | 47.5 · max | 42.9 · max |
| SWE-bench Pro (v2 full) | 99.4 · xhigh | 95.5 · xhigh |
| SWE-bench Pro (v2 hard) | 98 · xhigh | 82.4 · xhigh |
| EBR Bench | 45.7 · max | 44.8 · max |
| Furniture Assembly | 60.8 · max | 56.7 · max |
| ITBench SRE | — | 56.2 · max |
| Terminal-Bench Hard (version unstated) | — | 62.9 |
Specs
| Spec | Opus 5 | GPT-5.6 Sol |
|---|---|---|
| Input, per 1M | $5 | $4 |
| Output, per 1M | $25 | $20 |
| Cost per task? | $2.19 | $0.50 |
| Speed, tok/s | 51 | 75 |
| Context | 1M | 1.05M |
| Weights | Closed | Closed |
| Released | Jul 2026 | Jul 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 5 → GPT-5.6 Sol
Nothing known.
GPT-5.6 Sol → Opus 5