Models · Compare
Qwen3.5 122B-A10B vs Claude Sonnet 4.6
Rows highlighted in warm gray are where the models differ. Numbers carry their as-of date and primary source.
Specs
| Field | A: Qwen3.5 122B-A10B | B: Claude Sonnet 4.6 |
|---|---|---|
| Released | 2026-02-16 | 2026-02-17 |
| Developer | Alibaba | Anthropic |
| Openness | Open | Proprietary |
| License | Apache-2.0 | Proprietary |
| OSI-approved | yes | no |
| Data released | no | no |
| Training code | no | no |
| Architecture | moe | unknown |
| Total params | 122B | — |
| Active params | 10B | — |
| Experts | — | — |
| Context window | 262K | 1.0M |
| Attention | gqa | unknown |
| Position enc. | rope-yarn | unknown |
| Pretraining tokens | — | — |
| Post-training | sft, rlhf | rlhf, constitutional |
| Training hardware | — | — |
| $/M input | — | $3.00 |
| $/M output | — | $15.00 |
| Output tok/sec | — | 49 |
Benchmarks
Missing scores render as not reported; never inferred. Bold highlights the leader per benchmark.
General reasoning
| GPQA-Diamond | — | 79.9 2026-05-21 |
Code
| SWE-Bench Verified | — | 80.2 2026-02-17 |
Context · A
A mid-size Qwen3.5 mixture-of-experts: 122B total with about 10B active per token. The large footprint needs a high-capacity box, while the 10B active count keeps single-stream decode brisk; it is often run at IQ4_XS for long-context work.
Context · B
Mid-tier Sonnet refresh shipped February 17 2026 at the same $3 / $15 pricing as Sonnet 4.5, with a 1M context window in beta. Default model for Free and Pro plans on Claude.ai at launch. Anthropic reported Claude Code users preferred Sonnet 4.6 over Sonnet 4.5 roughly 70 percent of the time.