ClaudevsGPT

Claude Fable 5.1 vs GPT 3.5 Turbo (0125)

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 3.5 Turbo (0125)

Fast / Budget
Input $/MTok
$10.00
$0.50
Output $/MTok
$50.00
$1.50
Cache discount
98% off
0% off
Context
1,000K
16.385K

Quality

Task confidence comparison

Confidence score from zero to one hundred by task type, where higher is better.
Code Generation
0
vs
0
Code Review
0
vs
0
Summarization
0
vs
0
Q&A
0
vs
0
Extraction
0
vs
0
Reasoning
0
vs
0
Classification
0
vs
0
Creative Writing
0
vs
0
Claude Fable 5.1
GPT 3.5 Turbo (0125)

Guidance

When to use Claude Fable 5.1 vs GPT 3.5 Turbo (0125)

Choose Claude Fable 5.1 when...

  • -You need a larger context window (1,000K vs 16.385K)
  • Similar performance; consider provider preference or ecosystem fit.

Choose GPT 3.5 Turbo (0125) when...

  • -Cost matters: 95% 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 3.5 Turbo (0125)
100K tokens
$2.20
$0.08Cheaper
1M tokens
$22.00
$0.80Cheaper
10M tokens
$220.00
$8.00Cheaper

FAQ

When should I use Claude Fable 5.1 instead of GPT 3.5 Turbo (0125)?

Claude Fable 5.1 and GPT 3.5 Turbo (0125) perform similarly across all tracked tasks. Pick based on pricing and provider preference.

Is GPT 3.5 Turbo (0125) cheaper than Claude Fable 5.1?

Yes. GPT 3.5 Turbo (0125) input costs $0.50/MTok vs $10.00/MTok for Claude Fable 5.1, saving 95% on input.

What are the context window sizes for Claude Fable 5.1 and GPT 3.5 Turbo (0125)?

Claude Fable 5.1 has a 1,000K token context window. GPT 3.5 Turbo (0125) has a 16.385K token context window.

Track your real costs

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