Model comparison
Kimi K2.7 Code vs o3-pro
Kimi K2.7 Code and o3-pro score almost the same on the Noometry Index (43.3 vs 42.9), so choose on price, context window or the category you care about most.
Last verified . 2 shared benchmarks.
Summary
- They share 2 benchmarks with published results for both. Kimi K2.7 Code scores higher in 2 categories and o3-pro in 1 category; 3 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Kimi K2.7 Code leads 53.5 to 29.5.
- Kimi K2.7 Code is cheaper at $0.95 / $4 per million input/output tokens, against $20 / $80 for o3-pro.
- Kimi K2.7 Code accepts more context: 262K tokens versus 200K.
- Kimi K2.7 Code has downloadable open weights; the other is API-only.
Side by side
| Kimi K2.7 Code | o3-pro | |
|---|---|---|
| Provider | Moonshot AI | OpenAI |
| Noometry Index | 43.3 | 42.9 |
| Released | 2026-06-12 | 2025-06-10 |
| Weights | Open | Proprietary |
| Context window | 262K | 200K |
| Max output | 262K | 100K |
| Input $ / M tokens | $0.95 | $20 |
| Output $ / M tokens | $4 | $80 |
| Results tracked | 19 | 12 |
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Category by category
Coding o3-pro leads
Kimi K2.7 Code: 42.9 (#95), o3-pro: 55.5 (#24)
| Benchmark | Kimi K2.7 Code | o3-pro |
|---|---|---|
| WeirdML | 54.1% | 58.2% |
| DeepSWE | 30.5% | — |
| FrontierCode | 30.1% | — |
| Aider Polyglot | — | 84.9% |
| LMArena WebDev | 1473 | — |
| SciCode | 47.5% | — |
| ALE-Bench | 886.23 | — |
Agentic & Tool Use Not comparable
Kimi K2.7 Code: 24.0 (#122), o3-pro: —
| Benchmark | Kimi K2.7 Code | o3-pro |
|---|---|---|
| APEX-Agents | 37.6% | — |
| GBAEval | 0.9% | — |
| Vending-Bench 2 | 5,083 | — |
Reasoning Kimi K2.7 Code leads
Kimi K2.7 Code: 39.0 (#61), o3-pro: 23.8 (#171)
| Benchmark | Kimi K2.7 Code | o3-pro |
|---|---|---|
| Epoch Capabilities Index | 149.97 | 147.42 |
| ARC-AGI-2 | — | 4.9% |
| SimpleBench | 57.9% | — |
| Kagi LLM Benchmark | — | 72.1% |
| ARC-AGI-1 | — | 59.3% |
| CritPt | 10% | — |
| Chess Puzzles | 21% | — |
| DTBench | — | 86.9% |
| LMCA | — | 38.5% |
| Surface Evolver Bench | 48.8% | — |
Math Not comparable
Kimi K2.7 Code: 52.9 (#48), o3-pro: —
| Benchmark | Kimi K2.7 Code | o3-pro |
|---|---|---|
| FrontierMath (Tiers 1-3) | 54% | — |
| FrontierMath Tier 4 | 12.2% | — |
| OTIS Mock AIME 2024-2025 | 95.6% | — |
Knowledge Kimi K2.7 Code leads
Kimi K2.7 Code: 53.5 (#57), o3-pro: 29.5 (#238)
| Benchmark | Kimi K2.7 Code | o3-pro |
|---|---|---|
| GPQA Diamond | 87.9% | — |
| SimpleQA Verified | 36.5% | — |
| Confabulations | — | 14.2% |
| Vectara Hallucination Rate | — | 23.3% |
Long Context Not comparable
Kimi K2.7 Code: —, o3-pro: 72.2 (#1)
| Benchmark | Kimi K2.7 Code | o3-pro |
|---|---|---|
| Fiction.LiveBench | — | 97.2% |
Writing & Preference Not comparable
Kimi K2.7 Code: —, o3-pro: 57.1 (#133)
| Benchmark | Kimi K2.7 Code | o3-pro |
|---|---|---|
| Short-Story Creative Writing | — | 84.4% |
Frequently asked questions
Is Kimi K2.7 Code better than o3-pro?
Kimi K2.7 Code and o3-pro score almost the same on the Noometry Index (43.3 vs 42.9), so choose on price, context window or the category you care about most.
Which is cheaper, Kimi K2.7 Code or o3-pro?
Kimi K2.7 Code is cheaper. It lists at $0.95 per million input tokens and $4 per million output tokens; o3-pro lists at $20 and $80.
Is Kimi K2.7 Code or o3-pro better for coding?
o3-pro scores higher on coding benchmarks: 55.5 versus 42.9 in the Noometry coding category.
Which has the bigger context window?
Kimi K2.7 Code does, with 262K tokens against 200K.
How many benchmarks do Kimi K2.7 Code and o3-pro share?
2 benchmarks have published results for both models. Kimi K2.7 Code has 19 scored results on Noometry and o3-pro has 12.