Model comparison
Claude 2.1 vs Kimi K2.7 Code
Kimi K2.7 Code is the stronger model overall, scoring 43.3 to 25.2 on the Noometry Index.
Last verified . 4 shared benchmarks.
Summary
- They share 4 benchmarks with published results for both. Claude 2.1 scores higher in 0 categories and Kimi K2.7 Code in 4 categories; 4 gaps are clear of the uncertainty.
- The widest gap is in math, where Kimi K2.7 Code leads 52.9 to 10.2.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 1.9% for Claude 2.1 and 95.6% for Kimi K2.7 Code.
- Kimi K2.7 Code has downloadable open weights; the other is API-only.
Side by side
| Claude 2.1 | Kimi K2.7 Code | |
|---|---|---|
| Provider | Anthropic | Moonshot AI |
| Noometry Index | 25.2 | 43.3 |
| Released | 2023-11-21 | 2026-06-12 |
| Weights | Proprietary | Open |
| Context window | — | 262K |
| Max output | — | 262K |
| Input $ / M tokens | — | $0.95 |
| Output $ / M tokens | — | $4 |
| Results tracked | 7 | 19 |
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Category by category
Coding Kimi K2.7 Code leads
Claude 2.1: 26.2 (#327), Kimi K2.7 Code: 42.9 (#95)
| Benchmark | Claude 2.1 | Kimi K2.7 Code |
|---|---|---|
| WeirdML | 7.1% | 54.1% |
| DeepSWE | — | 30.5% |
| FrontierCode | — | 30.1% |
| LMArena WebDev | — | 1473 |
| SciCode | — | 47.5% |
| ALE-Bench | — | 886.23 |
Agentic & Tool Use Not comparable
Claude 2.1: —, Kimi K2.7 Code: 24.0 (#122)
| Benchmark | Claude 2.1 | Kimi K2.7 Code |
|---|---|---|
| APEX-Agents | — | 37.6% |
| GBAEval | — | 0.9% |
| Vending-Bench 2 | — | 5,083 |
Reasoning Kimi K2.7 Code leads
Claude 2.1: 21.4 (#221), Kimi K2.7 Code: 39.0 (#61)
| Benchmark | Claude 2.1 | Kimi K2.7 Code |
|---|---|---|
| Epoch Capabilities Index | 119.27 | 149.97 |
| SimpleBench | — | 57.9% |
| CritPt | — | 10% |
| Chess Puzzles | — | 21% |
| DTBench | 51% | — |
| Surface Evolver Bench | — | 48.8% |
| ForecastBench | 54.2 | — |
Math Kimi K2.7 Code leads
Claude 2.1: 10.2 (#315), Kimi K2.7 Code: 52.9 (#48)
| Benchmark | Claude 2.1 | Kimi K2.7 Code |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 1.9% | 95.6% |
| FrontierMath (Tiers 1-3) | — | 54% |
| FrontierMath Tier 4 | — | 12.2% |
Knowledge Kimi K2.7 Code leads
Claude 2.1: 15.4 (#292), Kimi K2.7 Code: 53.5 (#57)
| Benchmark | Claude 2.1 | Kimi K2.7 Code |
|---|---|---|
| GPQA Diamond | 33% | 87.9% |
| SimpleQA Verified | — | 36.5% |
| MMLU | 73.5% | — |
Frequently asked questions
Is Claude 2.1 better than Kimi K2.7 Code?
Kimi K2.7 Code is the stronger model overall, scoring 43.3 to 25.2 on the Noometry Index.
Is Claude 2.1 or Kimi K2.7 Code better for coding?
Kimi K2.7 Code scores higher on coding benchmarks: 42.9 versus 26.2 in the Noometry coding category.
How many benchmarks do Claude 2.1 and Kimi K2.7 Code share?
4 benchmarks have published results for both models. Claude 2.1 has 7 scored results on Noometry and Kimi K2.7 Code has 19.