tokevenClaudevsGPT
Claude Fable 5 vs GPT 5.6 Terra
Side-by-side comparison of pricing, task quality, and projected cost at higher scale.
Pricing
Side-by-side pricing
Claude Fable 5
FlagshipGPT 5.6 Terra
Mid-tierInput $/MTok
$10.00
$2.00
Output $/MTok
$50.00
$12.00
Cache discount
90% 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
72
vs
64
Code Review
95
vs
84
Summarization
77
vs
64
Q&A
88
vs
92
Extraction
75
vs
75
Reasoning
90
vs
91
Classification
82
vs
89
Creative Writing
72
vs
67
Claude Fable 5
GPT 5.6 Terra
Guidance
When to use Claude Fable 5 vs GPT 5.6 Terra
Choose Claude Fable 5 when...
- -You need strong code review (confidence 95 vs 84)
- -You need strong summarization (confidence 77 vs 64)
- -You need strong code generation (confidence 72 vs 64)
- -You need strong creative writing (confidence 72 vs 67)
- -You need a larger context window (1M vs 922K)
Choose GPT 5.6 Terra when...
- -You need strong q&a (confidence 92 vs 88)
- -You need strong reasoning (confidence 91 vs 90)
- -You need strong classification (confidence 89 vs 82)
- -Cost matters: 80% 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
GPT 5.6 Terra
100K tokens
$2.20
$0.50Cheaper
1M tokens
$22.00
$8.20Cheaper
10M tokens
$220.00
$82.00Cheaper
FAQ
When should I use Claude Fable 5 instead of GPT 5.6 Terra?
Claude Fable 5 outperforms GPT 5.6 Terra for Code Generation, Code Review, Summarization. It costs $10.00/$50.00 per million tokens (input/output).
Is GPT 5.6 Terra cheaper than Claude Fable 5?
Yes. GPT 5.6 Terra input costs $2.00/MTok vs $10.00/MTok for Claude Fable 5, saving 80% on input.
What are the context window sizes for Claude Fable 5 and GPT 5.6 Terra?
Claude Fable 5 has a 1M token context window. GPT 5.6 Terra 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 and GPT 5.6 Terra 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.