Models · Compare
Claude Opus 4.7 vs Kimi K2.6
Rows highlighted in warm gray are where the models differ. Numbers carry their as-of date and primary source.
Specs
| Field | A: Claude Opus 4.7 | B: Kimi K2.6 |
|---|---|---|
| Released | 2026-04-16 | 2026-04-21 |
| Developer | Anthropic | Moonshot AI |
| Openness | Proprietary | Open |
| License | Proprietary | Modified MIT |
| OSI-approved | no | no |
| Data released | no | no |
| Training code | no | no |
| Architecture | unknown | moe |
| Total params | — | 1T |
| Active params | — | 32B |
| Experts | — | 384 (8 active) |
| Context window | 1.0M | 262K |
| Attention | unknown | mla |
| Position enc. | unknown | rope |
| Pretraining tokens | — | — |
| Post-training | rlhf, constitutional | sft, rlhf |
| Training hardware | — | — |
| $/M input | $5.00 | $0.95 |
| $/M output | $25.00 | $4.00 |
| Output tok/sec | 48.6 | 63.9 |
Benchmarks
Missing scores render as not reported; never inferred. Bold highlights the leader per benchmark.
General reasoning
| GPQA-Diamond | 91.4 2026-05-21 | 90.5 2026-04-21 |
Code
| SWE-Bench Verified | — | 80.2 2026-04-21 |
| LiveCodeBench | — | 89.6 2026-04-21 |
Context · A
First Claude with high-resolution image input, accepting up to 2576 pixels on the long edge (about 3.75 megapixels, more than triple prior Claudes). Released April 16 2026 at unchanged Opus 4.6 pricing of $5 / $25 per Mtok with the 1M context standard. Adds a new xhigh effort level for finer reasoning-versus-latency control.
Context · B
April 21 2026 K2 refresh. Headline is Agent Swarm scaling to 300 sub-agents over 4000 coordinated steps, plus native video input and 262K context. Moonshot reports SWE-Bench Pro 58.6, narrowly ahead of GPT-5.4's 57.7 at release per the lab.