LLM Comparison

Claude Fable 5.1 vs Claude Fable 5: benchmark scores, pricing & comparison.

Side-by-side Claude Fable 5.1 vs Claude Fable 5 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 pageClaude Fable 5 model page
Rank #1 vs #3AskClash overall scores 92.0 vs 82.0.
Pricing $10.0/$50.0 vs $10.0/$50.0Input and output token prices per 1M tokens when published.
Proprietary vs ProprietaryAnthropic vs Anthropic.

Claude Fable 5.1 vs Claude Fable 5 benchmark comparison

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

MetricClaude Fable 5.1Claude Fable 5
Overall Score92.082.0
Leaderboard Rank#1#3
ACB79.264.6
RWT9.09.0
Coding Agent Index—77.2
HLE65.064.5
GPQA93.794.5
IFEval—80.3
SWE-bench—95.5
SWE-Pro81.280.3
SWE-Atlas—83.3
Terminal-Bench91.488.0
DeepSWE67.469.7
GDPval-AA1853.01932.5
OSWorld—85.0
Finance Agent58.956.3
CharXiv—93.5
MMMU-Pro90.692.7
ARC-AGI 290.0—
Tau2—89.2
Input Price (per 1M tokens)$10.0$10.0
Output Price (per 1M tokens)$50.0$50.0
Context Window1M1M+
Benchmarks Published1117

Claude Fable 5.1 vs Claude Fable 5 head-to-head charts

Claude Fable 5.1 leads 6 and Claude Fable 5 leads 4 of 11 shared benchmarks. Charts show only benchmarks both models publish.

Claude Fable 5.1Claude Fable 5
Overall
92.0Claude Fable 5.1
82.0Claude Fable 5
ACB
79.2Claude Fable 5.1
64.6Claude Fable 5
RWT
9.0Claude Fable 5.1
9.0Claude Fable 5
HLE
65.0Claude Fable 5.1
64.5Claude Fable 5
GPQA
93.7Claude Fable 5.1
94.5Claude Fable 5
SWE-Pro
81.2Claude Fable 5.1
80.3Claude Fable 5
Terminal-Bench
91.4Claude Fable 5.1
88.0Claude Fable 5
DeepSWE
67.4Claude Fable 5.1
69.7Claude Fable 5
GDPval-AA
1853.0Claude Fable 5.1
1932.5Claude Fable 5
Finance Agent
58.9Claude Fable 5.1
56.3Claude Fable 5
MMMU-Pro
90.6Claude Fable 5.1
92.7Claude Fable 5
Claude Fable 5.1
Input$10.0
Output$50.0
Workload$20
Context1M
Claude Fable 5
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 Claude Fable 5 comparisons

Explore how Claude Fable 5.1 and Claude Fable 5 stack up against other top-ranked LLMs.

Claude Fable 5.1 vs Claude Opus 5Claude Opus 5 vs Claude Fable 5Claude Fable 5.1 vs GLM-5.3Claude Fable 5 vs GLM-5.3Claude Fable 5.1 vs Grok 4.6Claude Fable 5 vs Grok 4.6Claude Fable 5.1 vs GPT-5.6 SolClaude Fable 5 vs GPT-5.6 SolClaude Fable 5.1 vs Kimi K3Claude Fable 5 vs Kimi K3

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.