ClaudevsGPT

Claude Fable 5.1 vs GPT 6.1 Sol

Side-by-side comparison of pricing, task quality, and projected cost at higher scale.

Pricing

Side-by-side pricing

Claude Fable 5.1

Flagship

GPT 6.1 Sol

Flagship
Input $/MTok
$10.00
$2.00
Output $/MTok
$50.00
$10.00
Cache discount
98% off
95% off
Context
1,000K
922K

Quality

Task confidence comparison

Confidence score from zero to one hundred by task type, where higher is better.
Code Generation
74
vs
0
Code Review
0
vs
0
Summarization
71
vs
0
Q&A
0
vs
0
Extraction
75
vs
0
Reasoning
92
vs
0
Classification
0
vs
0
Creative Writing
78
vs
0
Claude Fable 5.1
GPT 6.1 Sol

Guidance

When to use Claude Fable 5.1 vs GPT 6.1 Sol

Choose Claude Fable 5.1 when...

  • -You need a larger context window (1,000K vs 922K)
  • Similar performance; consider provider preference or ecosystem fit.

Choose GPT 6.1 Sol when...

  • -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 5.1
GPT 6.1 Sol
100K tokens
$2.20
$0.44Cheaper
1M tokens
$22.00
$7.30Cheaper
10M tokens
$220.00
$73.00Cheaper

FAQ

When should I use Claude Fable 5.1 instead of GPT 6.1 Sol?

Claude Fable 5.1 and GPT 6.1 Sol perform similarly across all tracked tasks. Pick based on pricing and provider preference.

Is GPT 6.1 Sol cheaper than Claude Fable 5.1?

Yes. GPT 6.1 Sol input costs $2.00/MTok vs $10.00/MTok for Claude Fable 5.1, saving 80% on input.

What are the context window sizes for Claude Fable 5.1 and GPT 6.1 Sol?

Claude Fable 5.1 has a 1,000K token context window. GPT 6.1 Sol has a 922K token context window.

Track your real costs

Comparisons show estimated costs at list price. The dashboard reveals your real spend and savings.