tokevenClaudevsGPT
Claude Fable 5.1 vs GPT 5.6 Sol
Side-by-side comparison of pricing, task quality, and projected cost at higher scale.
Pricing
Side-by-side pricing
Claude Fable 5.1
FlagshipGPT 5.6 Sol
FlagshipInput $/MTok
$10.00
$4.00
Output $/MTok
$50.00
$20.00
Cache discount
98% off
90% off
Context
1M
922K
Quality
Task confidence comparison
Confidence score from zero to one hundred by task type, where higher is better.
Code Generation
74
vs
67
Code Review
0
vs
92
Summarization
71
vs
70
Q&A
0
vs
91
Extraction
75
vs
75
Reasoning
92
vs
92
Classification
0
vs
86
Creative Writing
78
vs
76
Claude Fable 5.1
GPT 5.6 Sol
Guidance
When to use Claude Fable 5.1 vs GPT 5.6 Sol
Choose Claude Fable 5.1 when...
- -You need strong creative writing (confidence 78 vs 76)
- -You need strong code generation (confidence 74 vs 67)
- -You need strong summarization (confidence 71 vs 70)
- -You need a larger context window (1M vs 922K)
Choose GPT 5.6 Sol when...
- -Cost matters: 60% cheaper on input tokens
At scale
Cost at scale
Estimated cost assuming a seventy percent input and thirty percent output token split.
Claude Fable 5.1
GPT 5.6 Sol
100K tokens
$2.20
$0.88Cheaper
1M tokens
$22.00
$14.60Cheaper
10M tokens
$220.00
$146.00Cheaper
FAQ
When should I use Claude Fable 5.1 instead of GPT 5.6 Sol?
Claude Fable 5.1 outperforms GPT 5.6 Sol for Code Generation, Summarization, Creative Writing. It costs $10.00/$50.00 per million tokens (input/output).
Is GPT 5.6 Sol cheaper than Claude Fable 5.1?
Yes. GPT 5.6 Sol input costs $4.00/MTok vs $10.00/MTok for Claude Fable 5.1, saving 60% on input.
What are the context window sizes for Claude Fable 5.1 and GPT 5.6 Sol?
Claude Fable 5.1 has a 1M token context window. GPT 5.6 Sol has a 922K token context window.
Go deeper on either model
Per-call cost calculators, provider lineups, and price history for both models on this page.
Other comparisons
How Claude Fable 5.1 and GPT 5.6 Sol stack up against the rest of the field.
Track your real costs
Comparisons show estimated costs at list price. The dashboard reveals your real spend and savings.