LLM Comparison

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

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.

Verdict: Kimi K3 ranks higher (#28 vs #31); Claude Sonnet 5 wins 5 of 9 shared benchmarks.

Rank #28 vs #31AskClash overall scores 55.7 vs 52.9.
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.

MetricKimi K3Claude Sonnet 5
Overall Score55.752.9
Leaderboard Rank#28#31
ACB57.760.8
RWT8.08.5
Coding Agent Index51.9—
HLE43.557.4
GPQA93.591.1
SWE-bench—85.2
SWE-Pro—63.2
SWE-Atlas66.1—
Terminal-Bench12.614.1
DeepSWE68.553.8
GDPval-AA1668.01618.0
OSWorld—81.2
MCP Atlas84.2—
Finance Agent53.1—
CharXiv84.888.3
MMMU-Pro81.677.3
ARC-AGI 260.4—
Input Price (per 1M tokens)$3.00$3.00
Output Price (per 1M tokens)$15.0$15.0
Context Window1M1M
Benchmarks Published1612

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

Kimi K3 leads 5 and Claude Sonnet 5 leads 5 of 10 shared benchmarks. Charts show only benchmarks both models publish.

Kimi K3Claude Sonnet 5
Overall
55.7Kimi K3
52.9Claude Sonnet 5
ACB
57.7Kimi K3
60.8Claude Sonnet 5
RWT
8.0Kimi K3
8.5Claude Sonnet 5
HLE
43.5Kimi K3
57.4Claude Sonnet 5
GPQA
93.5Kimi K3
91.1Claude Sonnet 5
Terminal-Bench
12.6Kimi K3
14.1Claude Sonnet 5
DeepSWE
68.5Kimi K3
53.8Claude Sonnet 5
GDPval-AA
1668.0Kimi K3
1618.0Claude 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.

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.