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
1,000K
1,050K
Quality
Task confidence comparison
Confidence score from zero to one hundred by task type, where higher is better.
Code Generation
96
vs
86
Code Review
95
vs
84
Summarization
90
vs
92
Q&A
88
vs
92
Extraction
85
vs
90
Reasoning
98
vs
82
Classification
82
vs
89
Creative Writing
95
vs
80
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 reasoning (confidence 98 vs 82)
- -You need strong code generation (confidence 96 vs 86)
- -You need strong code review (confidence 95 vs 84)
- -You need strong creative writing (confidence 95 vs 80)
Choose GPT 5.6 Terra when...
- -You need strong summarization (confidence 92 vs 90)
- -You need strong q&a (confidence 92 vs 88)
- -You need strong extraction (confidence 90 vs 85)
- -You need strong classification (confidence 89 vs 82)
- -Cost matters: 80% cheaper on input tokens
- -You need a larger context window (1,050K vs 1,000K)
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 Reasoning, Code Generation, Code Review. 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 1,000K token context window. GPT 5.6 Terra has a 1,050K 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.