MiMo V2.6 Flash vs Step 5 Preview
MiMo V2.6 Flash is from Xiaomi, released September 22, 2026. Step 5 Preview is from StepFun, released September 20, 2026.
- LMArena Elo1449 vs 1446. MiMo V2.6 Flash is 0.2% ahead on LMArena Elo.
- Input per 1M$0.14 vs $1. MiMo V2.6 Flash costs 86% less per million input tokens.
- Output per 1M$0.28 vs $2.70. MiMo V2.6 Flash costs 90% less per million output tokens.
- Context window1M vs 1M. Both hold 1M tokens of context.
Prices are the vendors’ published API rates; Elo is LMArena’s text board. Each figure is dated on its model page.
Interactive Comparison
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$0.14 / $0.28 per million tokens | $1 / $2.70 per million tokens | |
|---|---|---|
| Identity | ||
| Developer | Xiaomi | StepFun |
| Released | Sep 2026 | Sep 2026 |
| Licence | MIT | Not yet stated (open weights announced for 15 Oct 2026) |
| Self-hostable | Yes | — |
| Cost | ||
| Blended $/1M tokensinput × 0.75 + output × 0.25 | $0.175 / 1M tokens | $1.425 / 1M tokens |
| Input price | $0.140 / 1M tokens | $1.000 / 1M tokens |
| Output price | $0.280 / 1M tokens | $2.700 / 1M tokens |
| Cached input | $0.0028 per 1M tokens | — |
| Capacity | ||
| Context window | 1M tokens | 1M tokens |
| Capability | ||
| Vision in | Yes | — |
| Audio in | Yes | — |
| Access | ||
| API | Yes | Yes |
| Measured quality | ||
| LMArena Elo | 1449 (checked Oct 2026) | 1446 (checked Oct 2026) |
| LMArena rank | Rank 80 | Rank 85 |
| Elo per dollarLMArena Elo ÷ blended $/1M tokens | 8280 | 1015 |
