Model comparison
Kimi K2.5 (Reasoning) vs MiMo-V2.5
Head-to-head evidence from 4 shared benchmark results across 2 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.
Public leaderboard positions: Kimi K2.5 (Reasoning) #57 (Estimated); MiMo-V2.5 #62 (Estimated). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.
Evidence parity. Kimi K2.5 (Reasoning) and MiMo-V2.5 share 4 comparable benchmark results. 3 of 8 categories are comparable. 23 results are unique to Kimi K2.5 (Reasoning); 7 to MiMo-V2.5.
Updated July 21, 2026- Shared results
- 4
- Kimi K2.5 (Reasoning) only
- 23
- MiMo-V2.5 only
- 7
- Comparable categories
- 3 / 8
Pick Kimi K2.5 (Reasoning) if you want the stronger benchmark profile. MiMo-V2.5 only becomes the better choice if agentic is the priority or you need the larger 1M context window.
Confidence note. This is a partial-evidence comparison with 4 shared benchmark results across 2 evidence categories; 3 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.
Why this result
Kimi K2.5 (Reasoning) has the cleaner BenchAlign overall profile here, landing at 59.35 versus 58.62. It is a real lead, but still close enough that category-level strengths matter more than the headline number.
Kimi K2.5 (Reasoning)'s sharpest advantage is in coding, where it averages 76.8 against 56.1. The single biggest benchmark swing on the page is Terminal-Bench 2.0, 50.8% to 65.8%. MiMo-V2.5 does hit back in agentic, so the answer changes if that is the part of the workload you care about most.
MiMo-V2.5 gives you the larger context window at 1M, compared with 128K for Kimi K2.5 (Reasoning).
Category breakdown
Exact category averages are shown below. Not measured means BenchLM does not have enough sourced public coverage for that model and category.
| Category | Kimi K2.5 (Reasoning) | Δ | MiMo-V2.5 |
|---|---|---|---|
| Coding | Kimi K2.5 (Reasoning)76.8 | Margin← 20.7 | MiMo-V2.556.1 |
| Agentic | Kimi K2.5 (Reasoning)55.0 | Margin→ 10.8 | MiMo-V2.565.8 |
| Multimodal | Kimi K2.5 (Reasoning)78.5 | Margin→ 0.5 | MiMo-V2.579.0 |
| Knowledge | Kimi K2.5 (Reasoning)87.2 | MarginNo overlap | MiMo-V2.5Not measured |
Decisive benchmark drivers
The largest measured benchmark gaps in this matchup, with exact reported values.
More
- Source ↗
Terminal-Bench 2.0
AgenticA 50.8%B 65.8%Winner: MiMo-V2.5Δ 15Terminal-Bench 2.0: Kimi K2.5 (Reasoning) scored 50.8%; MiMo-V2.5 scored 65.8%. MiMo-V2.5 wins this benchmark. - Source ↗
MMMU-Pro
MultimodalA 78.5%B 77.9%Winner: Kimi K2.5 (Reasoning)Δ 0.6MMMU-Pro: Kimi K2.5 (Reasoning) scored 78.5%; MiMo-V2.5 scored 77.9%. Kimi K2.5 (Reasoning) wins this benchmark.
Operational comparison
Runtime and commercial metrics are compared only when both models have a complete sourced value.
| Metric | Kimi K2.5 (Reasoning) | MiMo-V2.5 | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | Kimi K2.5 (Reasoning)$0.6 input / $3 output | MiMo-V2.5Not available | A complete price comparison is not available. |
| Generation speedtokens per second | Kimi K2.5 (Reasoning)Not available | MiMo-V2.5Not available | A complete speed comparison is not available. |
| First-answer latencyseconds to first token | Kimi K2.5 (Reasoning)Not available | MiMo-V2.5Not available | A complete latency comparison is not available. |
| Context windowmaximum listed tokens | Kimi K2.5 (Reasoning)128K | MiMo-V2.51M | MiMo-V2.5 lists the larger context window. |
Benchmark Deep Dive
AgenticMiMo-V2.5 wins11 benchmarks
| Benchmark | Kimi K2.5 (Reasoning) | MiMo-V2.5 | Result |
|---|---|---|---|
| Terminal-Bench 2.0Source | 50.8% | 65.8% | MiMo-V2.5 leads |
| BrowseCompSource | 60.6% | — | Not comparable |
| APEX-Agents-AASource | 11.5% | — | Not comparable |
| τ²-bench resultsSource | 95.9% | — | Not comparable |
| Gert LabsSource | 32.58% | 46.89% | MiMo-V2.5 leads |
| AA Agentic IndexSource | 21.7% | — | Not comparable |
| GDPval-AASource | 25.4% | — | Not comparable |
| GDPval-AASource | 1009 | — | Not comparable |
| Claw-EvalSource | — | 62.3% | Not comparable |
| MM-ClawBenchSource | — | 23.8% | Not comparable |
| ResearchClawBenchSource | — | 16.9% | Not comparable |
CodingKimi K2.5 (Reasoning) wins6 benchmarks
Reasoning2 benchmarks
Knowledge8 benchmarks
| Benchmark | Kimi K2.5 (Reasoning) | MiMo-V2.5 | Result |
|---|---|---|---|
| GPQASource | 87.6% | — | Not comparable |
| MMLU-ProSource | 87.1% | — | Not comparable |
| Artificial Analysis Intelligence IndexSource | 35.4% | — | Not comparable |
| AA-GPQA DiamondSource | 87.9% | — | Not comparable |
| AA-HLESource | 29.4% | — | Not comparable |
| AA-Omniscience IndexSource | -8.1% | — | Not comparable |
| AA-Omniscience AccuracySource | 34.3% | — | Not comparable |
| AA-Omniscience Hallucination RateSource | 64.6% | — | Not comparable |
Math1 benchmarks
| Benchmark | Kimi K2.5 (Reasoning) | MiMo-V2.5 | Result |
|---|---|---|---|
| AIME 2025Source | 96.1% | — | Not comparable |
MultimodalMiMo-V2.5 wins5 benchmarks
Inst. Following1 benchmarks
| Benchmark | Kimi K2.5 (Reasoning) | MiMo-V2.5 | Result |
|---|---|---|---|
| AA-IFBenchSource | 70.2% | — | Not comparable |
Frequently Asked Questions (4)
Which is better, Kimi K2.5 (Reasoning) or MiMo-V2.5?
Kimi K2.5 (Reasoning) is ahead on BenchLM's BenchAlign leaderboard, 59.35 to 58.62. The biggest single separator in this matchup is Terminal-Bench 2.0, where the scores are 50.8% and 65.8%.
Which is better for coding, Kimi K2.5 (Reasoning) or MiMo-V2.5?
Kimi K2.5 (Reasoning) has the edge for coding in this comparison, averaging 76.8 versus 56.1. MiMo-V2.5 stays close enough that the answer can still flip depending on your workload.
Which is better for agentic tasks, Kimi K2.5 (Reasoning) or MiMo-V2.5?
MiMo-V2.5 has the edge for agentic tasks in this comparison, averaging 65.8 versus 55. Inside this category, Terminal-Bench 2.0 is the benchmark that creates the most daylight between them.
Which is better for multimodal and grounded tasks, Kimi K2.5 (Reasoning) or MiMo-V2.5?
MiMo-V2.5 has the edge for multimodal and grounded tasks in this comparison, averaging 79 versus 78.5. Inside this category, Design Arena Website is the benchmark that creates the most daylight between them.
Related Comparisons
Choose a model with this week’s evidence
Join 2,000+ readers for ranking moves, pricing changes, and the claims that still need proof.
One email each week. Unsubscribe anytime.