text model comparison
Claude Sonnet 5.5 vs MiMo-V2.6-Pro
Claude Sonnet 5.5 and MiMo-V2.6-Pro are both current text models, from Anthropic and Xiaomi MiMo. MiMo-V2.6-Pro is 78% cheaper per 1M input tokens than Claude Sonnet 5.5, $0.435 vs $2. On Arena Text, Claude Sonnet 5.5 scores 1476 Elo and MiMo-V2.6-Pro 1480 Elo (Arena, measured October 8, 2026). Both accept 1,000,000 tokens of context.
Data verified October 13, 2026 · Dataset 2026-10-13
Side by side
Standard-tier prices in effect today. The better value in each row is highlighted.
| Fact | Claude Sonnet 5.5 | MiMo-V2.6-Pro |
|---|---|---|
| Price per 1M input tokens | $2 | $0.435 (better) |
| Price per 1M output tokens | $10 | $0.87 (better) |
| Cost of 10M input and 2M output tokens | $40 | $6.09 (better) |
| Arena Text | 1476 Elo (#20 of 49) | 1480 Elo (#17 of 49) (better) |
| GPQA Diamond | 95.6% (#2 of 40) | Not measured |
| FrontierMath Tiers 1-3 (v2) | 88.8% (#7 of 40) | Not measured |
| SimpleQA Verified | 46.5% (#22 of 36) | Not measured |
| Provider | Anthropic | Xiaomi MiMo |
| Release date | September 28, 2026 | September 22, 2026 |
| Access | API only | API and open weights |
| Context window | 1,000,000 tokens | 1,000,000 tokens |
| Max output | 128,000 tokens | 128,000 tokens |
| Input | text, image | text, image, audio, video |
| Output | text | text |
When to choose each
Claude Sonnet 5.5
Best for
- Production workloads that need frontier-adjacent quality at a mid-tier rate
- Latency-sensitive agent steps inside a larger pipeline
Watch out for
- Same list price as Claude Sonnet 5, so the gain is capability and cache economics rather than a cheaper rate card
- Anthropic positions Opus 5.5 rather than this as the default, so reach for Sonnet 5.5 when latency matters more than peak capability
MiMo-V2.6-Pro
Best for
- Long-horizon agent and coding work across modalities
- High-volume batch workloads
Watch out for
- The weights ship as two checkpoints (RL and MOPD), and Xiaomi does not say which one the API serves
- The mimo-v2.6-pro-ultraspeed id costs ten times as much and has no Batch API
Claude Sonnet 5.5 vs MiMo-V2.6-Pro FAQ
Which is cheaper, Claude Sonnet 5.5 or MiMo-V2.6-Pro?
MiMo-V2.6-Pro is 78% cheaper per 1M input tokens than Claude Sonnet 5.5, $0.435 vs $2. For 10M input and 2M output tokens, Claude Sonnet 5.5 costs $40 and MiMo-V2.6-Pro $6.09 at standard rates.
Which scores higher on independent benchmarks, Claude Sonnet 5.5 or MiMo-V2.6-Pro?
MiMo-V2.6-Pro leads on Arena Text, 1480 Elo to 1476 Elo. Scores are independent evaluations, not either vendor's launch figures.
Which has the larger context window, Claude Sonnet 5.5 or MiMo-V2.6-Pro?
Both accept 1,000,000 tokens of context.
Can I run Claude Sonnet 5.5 or MiMo-V2.6-Pro myself?
MiMo-V2.6-Pro is released as open weights you can run yourself; Claude Sonnet 5.5 is available through its provider's API only.
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Production evaluation
Choosing between Claude Sonnet 5.5 and MiMo-V2.6-Pro?
Public benchmarks narrow the shortlist. We run both on your own tasks, data and cost limits, then build the routing and review controls to run the winner in production.
- A head-to-head evaluation on your real workload
- Routing between models by cost and difficulty