Coding · Moonshot AI

Kimi K2 Chat on SWE-bench Verified: score, rank and what it means

Kimi K2 Chat scores 70.0 on SWE-bench Verified, placing it #110 of 600 models in the index. The benchmark average is 57.5 and the leader is GPT-5.2 Pro at 81.7.

Score
70.0
0–100 scale
Rank
#110
of 600
Percentile
82th
within the index
Benchmark avg
57.5
all models
Leader
81.7
GPT-5.2 Pro
Gap to leader
11.7
points

Score distribution

The chart shows the top 10 models on SWE-bench Verified, with Kimi K2 Chat highlighted. Longer bars mean higher scores.

GPT-5.2 Pro 81.7
Claude Opus 4.5 Pro 81.1
GPT-5.2 Max 80.5
Claude Sonnet 4.5 Max 80.2
GPT-5.2 80.2
GPT-5.1 Pro 80.1
o4 Max 79.8
Claude Sonnet 4.5 Reasoning 79.6
Claude Opus 4.5 Max 79.5
Claude Opus 4.5 Reasoning 79.5

Top 10 leaderboard

#ModelProviderContextInput / 1MAvg score
1 GPT-5.2 Pro OpenAI 2000000 $21.32 89.6
2 Claude Opus 4.5 Pro Anthropic 200000 $20.98 89.1
3 GPT-5.2 Max OpenAI 1000000 $21.39 89.2
4 Claude Sonnet 4.5 Max Anthropic 1000000 $19.90 87.2
5 GPT-5.2 OpenAI 2000000 $19.71 88.0
6 GPT-5.1 Pro OpenAI 200000 $19.77 87.8
7 o4 Max OpenAI 2000000 $19.51 86.2
8 Claude Sonnet 4.5 Reasoning Anthropic 400000 $19.48 87.7
9 Claude Opus 4.5 Max Anthropic 1000000 $20.90 87.8
10 Claude Opus 4.5 Reasoning Anthropic 2000000 $20.91 88.2

What this score means

On SWE-bench Verified, Kimi K2 Chat sits at #110 of 600. The leader, GPT-5.2 Pro, scores 81.7, so the gap to the top is 11.7 points. The median model in this index scores 61.0, which puts Kimi K2 Chat above the midpoint.

Moonshot AI models average 59.4 on this benchmark. Kimi K2 Chat is 10.6 points above that provider line, so it is a stronger result than the average Moonshot AI model.

Among multimodal models, the average is 66.4. Kimi K2 Chat is 3.6 points above that group. This is the more useful comparison if you are shortlisting within the same tier rather than across the whole index.

Read a 70.0 as a relative signal, not an absolute guarantee. Benchmark scores depend on prompt format, evaluation harness and contamination controls. Use this page to narrow the shortlist, then test the model on your own data.

Price context

At $5.74 per million input tokens, Kimi K2 Chat is above the median input price of $4.00 across the 600 models scored on SWE-bench Verified. The models immediately around it in the ranking are shown below so you can compare score and price together.

ModelProviderContextInput / 1MAvg score
Kimi K2 Base Moonshot AI 65536 $4.82 79.2
Claude 3.7 Sonnet Anthropic 200000 $14.91 81.6
Llama 4 Scout Instruct Meta AI 32768 $4.59 79.1
Nova Pro Reasoning Amazon 200000 $13.48 79.4
Kimi K2 Chat Moonshot AI 400000 $5.74 82.1
Kimi K1.5 Chat Moonshot AI 128000 $5.11 80.2
MiniMax-M2 MiniMax 200000 $5.19 80.6

Other benchmarks for Kimi K2 Chat

BenchmarkScoreRankPercentileRelative
MMLU-Pro 82.7 110 82th
GPQA Diamond 77.4 99 84th
HumanEval 88.1 71 88th
MATH-500 84.8 112 81th
AIME 2025 84.1 48 92th
LiveCodeBench 74.5 100 83th
IFEval 88.0 101 83th
TruthfulQA 82.8 111 82th
HellaSwag 91.6 46 92th
MMMU 79.6 64 89th
Arena Elo 1445.6 89 85th

FAQ

What score does Kimi K2 Chat get on SWE-bench Verified?

Kimi K2 Chat scores 70.0 on SWE-bench Verified in this index. The benchmark average is 57.5 and the top score is 81.7.

How does Kimi K2 Chat rank on SWE-bench Verified?

It ranks #110 of 600 models, in the 82nd percentile. The leader is GPT-5.2 Pro at 81.7.

Is Kimi K2 Chat good at SWE-bench Verified?

Yes, relative to the index: it is above the median and inside the top half of scores. The result should be read alongside its price and context window.

How is the SWE-bench Verified score calculated?

SWE-bench Verified is a coding benchmark. Scores in this index are modelled estimates on a 0–100 scale (or Elo for Arena), derived from capability tier and benchmark difficulty. They are not official leaderboard results.

What does Kimi K2 Chat cost?

Kimi K2 Chat costs $5.74 per million input tokens and $22.24 per million output tokens.

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