LLM Comparison

GPT-5.6 Sol vs Claude Sonnet 4.6: benchmark scores, pricing & comparison.

Side-by-side GPT-5.6 Sol vs Claude Sonnet 4.6 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: GPT-5.6 Sol ranks higher (#8 vs #54) and wins 8 of 9 shared benchmarks; Claude Sonnet 4.6 costs less ($3.00/$15.0 vs $5.00/$30.0 per 1M tokens).

Rank #8 vs #54AskClash overall scores 69.6 vs 31.9.
Pricing $5.00/$30.0 vs $3.00/$15.0Input and output token prices per 1M tokens when published.
Proprietary vs ProprietaryOpenAI vs Anthropic.

GPT-5.6 Sol vs Claude Sonnet 4.6 benchmark comparison

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

MetricGPT-5.6 SolClaude Sonnet 4.6
Overall Score69.631.9
Leaderboard Rank#8#54
ACB63.2—
RWT9.56.0
Coding Agent Index80.0—
HLE47.249.0
GPQA94.189.9
IFEval72.741.2
SWE-bench—80.2
SWE-Pro64.6—
SWE-Atlas84.0—
Terminal-Bench39.9—
DeepSWE72.729.9
GDPval-AA1748.0—
Finance Agent53.851.0
CharXiv—77.4
MMMU-Pro83.075.6
ARC-AGI 292.558.3
Tau285.179.5
MRCR91.5—
Input Price (per 1M tokens)$5.00$3.00
Output Price (per 1M tokens)$30.0$15.0
Context Window1M200K
Benchmarks Published159

GPT-5.6 Sol vs Claude Sonnet 4.6 head-to-head charts

GPT-5.6 Sol leads 9 and Claude Sonnet 4.6 leads 1 of 10 shared benchmarks. Claude Sonnet 4.6 is cheaper on a defined 1M-input / 200K-output workload. Charts show only benchmarks both models publish.

GPT-5.6 SolClaude Sonnet 4.6
Overall
69.6GPT-5.6 Sol
31.9Claude Sonnet 4.6
RWT
9.5GPT-5.6 Sol
6.0Claude Sonnet 4.6
HLE
47.2GPT-5.6 Sol
49.0Claude Sonnet 4.6
GPQA
94.1GPT-5.6 Sol
89.9Claude Sonnet 4.6
IFEval
72.7GPT-5.6 Sol
41.2Claude Sonnet 4.6
DeepSWE
72.7GPT-5.6 Sol
29.9Claude Sonnet 4.6
Finance Agent
53.8GPT-5.6 Sol
51.0Claude Sonnet 4.6
MMMU-Pro
83.0GPT-5.6 Sol
75.6Claude Sonnet 4.6
ARC-AGI 2
92.5GPT-5.6 Sol
58.3Claude Sonnet 4.6
Tau2
85.1GPT-5.6 Sol
79.5Claude Sonnet 4.6
GPT-5.6 Sol
Input$5.00
Output$30.0
Workload$11
Context1M
Claude Sonnet 4.6
Input$3.00
Output$15.0
Workload$6.00
Context200K

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

More GPT-5.6 Sol and Claude Sonnet 4.6 comparisons

Explore how GPT-5.6 Sol and Claude Sonnet 4.6 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.