Which is better: Claude Fable 5.1 or GPT-6 Astra (Max)?

Verdict: Claude Fable 5.1 ranks higher (#2 vs #20) and wins 4 of 7 shared benchmarks. AskClash compares Claude Fable 5.1 and GPT-6 Astra (Max) side by side across SWE-bench, GPQA, HLE, Terminal-Bench, coding agent scores, token pricing, AskClash ACB, and context window so you can see which model wins on each benchmark.

How do Claude Fable 5.1 and GPT-6 Astra (Max) compare on coding benchmarks?

The comparison table shows SWE-bench, SWE-Pro, SWE-Atlas, Terminal-Bench, DeepSWE, and coding agent index scores for both Claude Fable 5.1 and GPT-6 Astra (Max) when publicly disclosed.

LLM Comparison

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

Side-by-side Claude Fable 5.1 vs GPT-6 Astra (Max) 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 Fable 5.1 ranks higher (#2 vs #20) and wins 4 of 7 shared benchmarks.

Open live leaderboard Claude Fable 5.1 model page GPT-6 Astra (Max) model page

Rank #2 vs #20AskClash overall scores 78.0 vs 64.8.

Pricing $10.0/$50.0 vs —/—Input and output token prices per 1M tokens when published.

Proprietary vs ProprietaryAnthropic vs OpenAI.

Claude Fable 5.1 vs GPT-6 Astra (Max) benchmark comparison

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

Metric	Claude Fable 5.1	GPT-6 Astra (Max)
Overall Score	78.0	64.8
Leaderboard Rank	#2	#20
ACB	79.2	64.5
RWT	9.0	9.5
HLE	65.0	54.7
GPQA	93.7	96.1
SWE-Pro	81.2	—
Terminal-Bench	52.0	—
DeepSWE	67.4	—
GDPval-AA	1853.0	1572.8
Finance Agent	58.9	—
MMMU-Pro	90.6	86.9
ARC-AGI 2	90.0	95.0
Input Price (per 1M tokens)	$10.0	—
Output Price (per 1M tokens)	$50.0	—
Context Window	1M	1.05M
Benchmarks Published	13	9

Claude Fable 5.1 vs GPT-6 Astra (Max) head-to-head charts

Claude Fable 5.1 leads 5 and GPT-6 Astra (Max) leads 3 of 8 shared benchmarks. Charts show only benchmarks both models publish.

Claude Fable 5.1GPT-6 Astra (Max)

Overall

78.0Claude Fable 5.1

64.8GPT-6 Astra (Max)

ACB

79.2Claude Fable 5.1

64.5GPT-6 Astra (Max)

RWT

9.0Claude Fable 5.1

9.5GPT-6 Astra (Max)

HLE

65.0Claude Fable 5.1

54.7GPT-6 Astra (Max)

GPQA

93.7Claude Fable 5.1

96.1GPT-6 Astra (Max)

GDPval-AA

1853.0Claude Fable 5.1

1572.8GPT-6 Astra (Max)

MMMU-Pro

90.6Claude Fable 5.1

86.9GPT-6 Astra (Max)

ARC-AGI 2

90.0Claude Fable 5.1

95.0GPT-6 Astra (Max)

Claude Fable 5.1

Input$10.0

Output$50.0

Workload$20

Context1M

GPT-6 Astra (Max)

Input—

Output—

Workload—

Context1.05M

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 (Max) comparisons

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

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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.