Model comparison
MiMo-V2.5 vs o3-mini
Head-to-head evidence from 0 shared benchmark results across 0 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.
Public leaderboard positions: MiMo-V2.5 #62 (Estimated); o3-mini #136 (Supported). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.
Evidence parity. MiMo-V2.5 and o3-mini share 0 comparable benchmark results. 1 of 8 categories are comparable. 11 results are unique to MiMo-V2.5; 10 to o3-mini.
Updated July 21, 2026- Shared results
- 0
- MiMo-V2.5 only
- 11
- o3-mini only
- 10
- Comparable categories
- 1 / 8
Pick MiMo-V2.5 if you want the stronger benchmark profile. o3-mini only becomes the better choice if its workflow or ecosystem matters more than the raw scoreboard.
Confidence note. This is a partial-evidence comparison with 0 shared benchmark results across 0 evidence categories; 1 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.
Why this result
MiMo-V2.5 is clearly ahead on the BenchAlign aggregate, 58.62 to 47.41. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
MiMo-V2.5's sharpest advantage is in coding, where it averages 56.1 against 49.3.
MiMo-V2.5 gives you the larger context window at 1M, compared with 200K for o3-mini.
Operational comparison
Runtime and commercial metrics are compared only when both models have a complete sourced value.
| Metric | MiMo-V2.5 | o3-mini | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | MiMo-V2.5Not available | o3-mini$1.1 input / $4.4 output | A complete price comparison is not available. |
| Generation speedtokens per second | MiMo-V2.5Not available | o3-mini160 tok/s | A complete speed comparison is not available. |
| First-answer latencyseconds to first token | MiMo-V2.5Not available | o3-mini7.12 s | A complete latency comparison is not available. |
| Context windowmaximum listed tokens | MiMo-V2.51M | o3-mini200K | MiMo-V2.5 lists the larger context window. |
Benchmark Deep Dive
Frequently Asked Questions (2)
Which is better, MiMo-V2.5 or o3-mini?
MiMo-V2.5 is ahead on BenchLM's BenchAlign leaderboard, 58.62 to 47.41.
Which is better for coding, MiMo-V2.5 or o3-mini?
MiMo-V2.5 has the edge for coding in this comparison, averaging 56.1 versus 49.3. o3-mini stays close enough that the answer can still flip depending on your workload.
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