text model comparison
GPT-4.1 nano vs MiMo-V2.6-Flash
GPT-4.1 nano and MiMo-V2.6-Flash are both current text models, from OpenAI and Xiaomi MiMo. GPT-4.1 nano is 29% cheaper per 1M input tokens than MiMo-V2.6-Flash, $0.10 vs $0.14. On Arena Text, GPT-4.1 nano scores 1322 Elo and MiMo-V2.6-Flash 1451 Elo (Arena, measured October 8, 2026). Both accept about 1.05M tokens of context (1,047,576 and 1,000,000).
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 | GPT-4.1 nano | MiMo-V2.6-Flash |
|---|---|---|
| Price per 1M input tokens | $0.10 (better) | $0.14 |
| Price per 1M output tokens | $0.40 | $0.28 (better) |
| Cost of 10M input and 2M output tokens | $1.80 (better) | $1.96 |
| Arena Text | 1322 Elo (#49 of 49) | 1451 Elo (#35 of 49) (better) |
| GPQA Diamond | 48.9% (#40 of 40) | Not measured |
| SimpleQA Verified | 6% (#36 of 36) | Not measured |
| Provider | OpenAI | Xiaomi MiMo |
| Release date | April 14, 2025 | September 22, 2026 |
| Access | API only | API and open weights |
| Context window | 1,047,576 tokens | 1,000,000 tokens |
| Max output | 32,768 tokens | 128,000 tokens |
| Input | text, image | text, image, audio, video |
| Output | text | text |
When to choose each
GPT-4.1 nano
Best for
- High-volume API screening at low published token prices
Watch out for
- Not in the pinned LiveBench snapshot; its independent scores here come from Epoch AI's own GPQA Diamond, FrontierMath and SimpleQA Verified runs
MiMo-V2.6-Flash
Best for
- High-frequency multimodal calls
- Low-cost agent workloads
Watch out for
- Xiaomi's own table puts it well behind the Pro model on exploitation tasks (ExploitBench 25.3 against 47.9)
- The API checkpoint (RL or MOPD weights) is not identified
GPT-4.1 nano vs MiMo-V2.6-Flash FAQ
Which is cheaper, GPT-4.1 nano or MiMo-V2.6-Flash?
GPT-4.1 nano is 29% cheaper per 1M input tokens than MiMo-V2.6-Flash, $0.10 vs $0.14. For 10M input and 2M output tokens, GPT-4.1 nano costs $1.80 and MiMo-V2.6-Flash $1.96 at standard rates.
Which scores higher on independent benchmarks, GPT-4.1 nano or MiMo-V2.6-Flash?
MiMo-V2.6-Flash leads on Arena Text, 1451 Elo to 1322 Elo. Scores are independent evaluations, not either vendor's launch figures.
Which has the larger context window, GPT-4.1 nano or MiMo-V2.6-Flash?
Both accept about 1.05M tokens of context (1,047,576 and 1,000,000).
Can I run GPT-4.1 nano or MiMo-V2.6-Flash myself?
MiMo-V2.6-Flash is released as open weights you can run yourself; GPT-4.1 nano is available through its provider's API only.
Related comparisons
Production evaluation
Choosing between GPT-4.1 nano and MiMo-V2.6-Flash?
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