LLM Comparison

Claude Fable 5.1 vs GPT-6 Astra: benchmark scores, pricing & comparison.

Side-by-side Claude Fable 5.1 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.

Open live leaderboardClaude Fable 5.1 model pageGPT-6 Astra model page
Rank #1 vs #7AskClash overall scores 78.6 vs 64.9.
Pricing $10.0/$50.0 vs $10.0/$50.0Input and output token prices per 1M tokens when published.
Proprietary vs ProprietaryAnthropic vs OpenAI.

Claude Fable 5.1 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 Fable 5.1GPT-6 Astra
Overall Score78.664.9
Leaderboard Rank#1#7
ACB79.2—
RWT9.09.5
Coding Agent Index—67.0
HLE65.057.2
GPQA93.796.0
SWE-Pro81.2—
Terminal-Bench91.4—
DeepSWE67.474.1
GDPval-AA1853.0—
Finance Agent58.9—
MMMU-Pro90.6—
ARC-AGI 290.095.0
MRCR—100.0
Input Price (per 1M tokens)$10.0$10.0
Output Price (per 1M tokens)$50.0$50.0
Context Window1M1M
Benchmarks Published117

Claude Fable 5.1 vs GPT-6 Astra head-to-head charts

Claude Fable 5.1 leads 2 and GPT-6 Astra leads 4 of 6 shared benchmarks. Charts show only benchmarks both models publish.

Claude Fable 5.1GPT-6 Astra
Overall
78.6Claude Fable 5.1
64.9GPT-6 Astra
RWT
9.0Claude Fable 5.1
9.5GPT-6 Astra
HLE
65.0Claude Fable 5.1
57.2GPT-6 Astra
GPQA
93.7Claude Fable 5.1
96.0GPT-6 Astra
DeepSWE
67.4Claude Fable 5.1
74.1GPT-6 Astra
ARC-AGI 2
90.0Claude Fable 5.1
95.0GPT-6 Astra
Claude Fable 5.1
Input$10.0
Output$50.0
Workload$20
Context1M
GPT-6 Astra
Input$10.0
Output$50.0
Workload$20
Context1M

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

More Claude Fable 5.1 and GPT-6 Astra comparisons

Explore how Claude Fable 5.1 and GPT-6 Astra stack up against other top-ranked LLMs.

Claude Fable 5.1 vs Claude Fable 5Claude Fable 5 vs GPT-6 AstraClaude Fable 5.1 vs GPT-5.6 SolGPT-5.6 Sol vs GPT-6 AstraClaude Fable 5.1 vs Claude Opus 5Claude Opus 5 vs GPT-6 AstraClaude Fable 5.1 vs Grok 4.6Grok 4.6 vs GPT-6 AstraClaude Fable 5.1 vs Claude Opus 4.8Claude Opus 4.8 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.