LLM Comparison

Claude Sonnet 5.5 vs GPT-6 Astra: benchmark scores, pricing & comparison.

Side-by-side Claude Sonnet 5.5 vs GPT-6 Astra 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: Claude Sonnet 5.5 ranks higher (#3 vs #10) and wins 8 of 10 shared benchmarks; Claude Sonnet 5.5 costs less ($2.00/$10.0 vs $10.0/$50.0 per 1M tokens).

Open live leaderboardClaude Sonnet 5.5 model pageGPT-6 Astra model page
Rank #3 vs #10AskClash overall scores 77.7 vs 66.6.
Pricing $2.00/$10.0 vs $10.0/$50.0Input and output token prices per 1M tokens when published.
Proprietary vs ProprietaryAnthropic vs OpenAI.

Claude Sonnet 5.5 vs GPT-6 Astra benchmark comparison

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

MetricClaude Sonnet 5.5GPT-6 Astra
Overall Score77.766.6
Leaderboard Rank#3#10
ACB76.664.5
AA Intelligence Index56.052.8
AutomationBench-AA71.8—
RWT—9.5
Coding Agent Index59.354.7
HLE64.557.2
GPQA95.696.0
SWE-Pro81.3—
SWE-Atlas64.259.1
Terminal-Bench 4.063.659.1
DeepSWE71.073.2
GDPval-AA1837.81629.3
Finance Agent v2.167.360.4
MMMU-Pro—87.0
ARC-AGI 2—95.0
MRCR—100.0
Input Price (per 1M tokens)$2.00$10.0
Output Price (per 1M tokens)$10.0$50.0
Context Window1M1.05M
Benchmarks Published1312

Claude Sonnet 5.5 vs GPT-6 Astra head-to-head charts

Claude Sonnet 5.5 leads 8 and GPT-6 Astra leads 2 of 10 shared benchmarks. Claude Sonnet 5.5 is cheaper on a defined 1M-input / 200K-output workload. Charts show only benchmarks both models publish.

Claude Sonnet 5.5GPT-6 Astra
Overall
77.7Claude Sonnet 5.5
66.6GPT-6 Astra
ACB
76.6Claude Sonnet 5.5
64.5GPT-6 Astra
AA Intelligence Index
56.0Claude Sonnet 5.5
52.8GPT-6 Astra
Coding Agent Index
59.3Claude Sonnet 5.5
54.7GPT-6 Astra
HLE
64.5Claude Sonnet 5.5
57.2GPT-6 Astra
GPQA
95.6Claude Sonnet 5.5
96.0GPT-6 Astra
SWE-Atlas
64.2Claude Sonnet 5.5
59.1GPT-6 Astra
Terminal-Bench 4.0
63.6Claude Sonnet 5.5
59.1GPT-6 Astra
DeepSWE
71.0Claude Sonnet 5.5
73.2GPT-6 Astra
GDPval-AA
1837.8Claude Sonnet 5.5
1629.3GPT-6 Astra
Finance Agent v2.1
67.3Claude Sonnet 5.5
60.4GPT-6 Astra
Claude Sonnet 5.5
Input$2.00
Output$10.0
Workload$4.00
Context1M
GPT-6 Astra
Input$10.0
Output$50.0
Workload$20
Context1.05M

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

More Claude Sonnet 5.5 and GPT-6 Astra comparisons

Explore how Claude Sonnet 5.5 and GPT-6 Astra stack up against other top-ranked LLMs.

Claude Fable 5.2 vs Claude Sonnet 5.5Claude Fable 5.2 vs GPT-6 AstraClaude Opus 5.5 vs Claude Sonnet 5.5Claude Opus 5.5 vs GPT-6 AstraClaude Sonnet 5.5 vs Claude Fable 5.1Claude Fable 5.1 vs GPT-6 AstraClaude Sonnet 5.5 vs Gemini 4 CarbonGemini 4 Carbon vs GPT-6 AstraClaude Sonnet 5.5 vs Gemini 4 ArgonGemini 4 Argon vs GPT-6 Astra

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.