LLM Comparison

GPT-5.5 vs Kimi K2.7: benchmark scores, pricing & comparison.

Side-by-side GPT-5.5 vs Kimi K2.7 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 leaderboardGPT-5.5 model pageKimi K2.7 model page
Rank #10 vs #19AskClash overall scores 75.5 vs 56.8.
Pricing $5.00/$30.0 vs $0.95/$4.00Input and output token prices per 1M tokens when published.
Proprietary vs Open WeightOpenAI vs Moonshot AI.

GPT-5.5 vs Kimi K2.7 benchmark comparison

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

MetricGPT-5.5Kimi K2.7
Overall Score75.556.8
Leaderboard Rank#10#19
RWT8.07.5
Coding Agent Index56.6—
HLE52.254.0
GPQA93.690.5
SWE-bench—80.2
SWE-Pro58.658.6
Terminal-Bench82.766.7
DeepSWE67.030.5
OSWorld78.773.1
MCP Atlas75.376.0
Finance Agent51.844.9
CharXiv—80.4
MMMU-Pro81.279.4
ARC-AGI 285.0—
Tau298.090.1
Input Price (per 1M tokens)$5.00$0.95
Output Price (per 1M tokens)$30.0$4.00
Context Window1M256K
Benchmarks Published1313

GPT-5.5 vs Kimi K2.7 head-to-head charts

GPT-5.5 leads 9 and Kimi K2.7 leads 2 of 12 shared benchmarks. Kimi K2.7 is cheaper on a defined 1M-input / 200K-output workload. Charts show only benchmarks both models publish.

GPT-5.5Kimi K2.7
Overall
75.5GPT-5.5
56.8Kimi K2.7
RWT
8.0GPT-5.5
7.5Kimi K2.7
HLE
52.2GPT-5.5
54.0Kimi K2.7
GPQA
93.6GPT-5.5
90.5Kimi K2.7
SWE-Pro
58.6GPT-5.5
58.6Kimi K2.7
Terminal-Bench
82.7GPT-5.5
66.7Kimi K2.7
DeepSWE
67.0GPT-5.5
30.5Kimi K2.7
OSWorld
78.7GPT-5.5
73.1Kimi K2.7
MCP Atlas
75.3GPT-5.5
76.0Kimi K2.7
Finance Agent
51.8GPT-5.5
44.9Kimi K2.7
MMMU-Pro
81.2GPT-5.5
79.4Kimi K2.7
Tau2
98.0GPT-5.5
90.1Kimi K2.7
GPT-5.5
Input$5.00
Output$30.0
Workload$11
Context1M
Kimi K2.7
Input$0.95
Output$4.00
Workload$1.75
Context256K

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

More GPT-5.5 and Kimi K2.7 comparisons

Explore how GPT-5.5 and Kimi K2.7 stack up against other top-ranked LLMs.

Claude Fable 5 vs GPT-5.5Claude Fable 5 vs Kimi K2.7GPT-5.6 Sol vs GPT-5.5GPT-5.6 Sol vs Kimi K2.7Kimi K3 vs GPT-5.5Kimi K3 vs Kimi K2.7Claude Opus 4.8 vs GPT-5.5Claude Opus 4.8 vs Kimi K2.7Grok 4.5 vs GPT-5.5Grok 4.5 vs Kimi K2.7

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.