How do Kimi K3 and Claude Sonnet 5 compare on coding benchmarks?

The comparison table shows SWE-bench, SWE-Pro, SWE-Atlas, Terminal-Bench, DeepSWE, and coding agent index scores for both Kimi K3 and Claude Sonnet 5 when publicly disclosed.

LLM Comparison

Kimi K3 vs Claude Sonnet 5: benchmark scores, pricing & comparison.

Q: Which is better: Kimi K3 or Claude Sonnet 5?

AskClash compares Kimi K3 and Claude Sonnet 5 side by side across SWE-bench, GPQA, HLE, Terminal-Bench, coding agent scores, token pricing, and context window so you can see which model wins on each benchmark.

Side-by-side Kimi K3 vs Claude Sonnet 5 comparison across SWE-bench, GPQA, HLE, Terminal-Bench, coding agent scores, token pricing, context window, and AskClash RWT. Green marks the winner on each benchmark.

Open live leaderboard Kimi K3 model page Claude Sonnet 5 model page

Rank #3 vs #8AskClash overall scores 82.3 vs 76.1.

Pricing $3.00/$15.0 vs $3.00/$15.0Input and output token prices per 1M tokens when published.

Open Weight vs ProprietaryMoonshot AI vs Anthropic.

Kimi K3 vs Claude Sonnet 5 benchmark comparison

Green cells highlight the winning model for each metric. Scores are cached from the AskClash LLM leaderboard snapshot.

Metric	Kimi K3	Claude Sonnet 5
Overall Score	82.3	76.1
Leaderboard Rank	#3	#8
RWT	—	8.5
HLE	43.5	57.4
GPQA	93.5	91.1
SWE-bench	—	85.2
SWE-Pro	—	63.2
Terminal-Bench	88.3	80.4
DeepSWE	67.5	53.8
OSWorld	—	81.2
MCP Atlas	84.2	—
CharXiv	84.8	88.3
MMMU-Pro	81.6	77.3
Input Price (per 1M tokens)	$3.00	$3.00
Output Price (per 1M tokens)	$15.0	$15.0
Context Window	1M	1M
Benchmarks Published	9	11

Kimi K3 vs Claude Sonnet 5 head-to-head charts

Kimi K3 leads 5 and Claude Sonnet 5 leads 2 of 7 shared benchmarks. Charts show only benchmarks both models publish.

Kimi K3Claude Sonnet 5

Overall

82.3Kimi K3

76.1Claude Sonnet 5

HLE

43.5Kimi K3

57.4Claude Sonnet 5

GPQA

93.5Kimi K3

91.1Claude Sonnet 5

Terminal-Bench

88.3Kimi K3

80.4Claude Sonnet 5

DeepSWE

67.5Kimi K3

53.8Claude Sonnet 5

CharXiv

84.8Kimi K3

88.3Claude Sonnet 5

MMMU-Pro

81.6Kimi K3

77.3Claude Sonnet 5

Kimi K3

Input$3.00

Output$15.0

Workload$6.00

Context1M

Claude Sonnet 5

Input$3.00

Output$15.0

Workload$6.00

Context1M

Workload = published cost of 1M input + 200K output tokens. Open the live leaderboard for interactive compare charts.

More Kimi K3 and Claude Sonnet 5 comparisons

Explore how Kimi K3 and Claude Sonnet 5 stack up against other top-ranked LLMs.

Claude Fable 5 vs Kimi K3 Claude Fable 5 vs Claude Sonnet 5 GPT-5.6 Sol vs Kimi K3 GPT-5.6 Sol vs Claude Sonnet 5 Kimi K3 vs Claude Opus 4.8 Claude Opus 4.8 vs Claude Sonnet 5 Kimi K3 vs Grok 4.5 Grok 4.5 vs Claude Sonnet 5 Kimi K3 vs Muse Spark 1.1 Muse Spark 1.1 vs Claude Sonnet 5

How to read this comparison

Benchmark scores

Higher is better for all benchmark scores (SWE-bench, GPQA, HLE, Terminal-Bench, etc.). Green marks the model with the higher score.

Token pricing

Lower is better for input and output prices. Green marks the cheaper model per 1M tokens.

Coverage matters

Models with fewer disclosed benchmark cells may have inflated percentile scores. Check the benchmark cell count for context.

This comparison page is generated from the AskClash LLM leaderboard cache. Open the live leaderboard for real-time scores and interactive filtering.