ClaudevsGemini

Claude Fable 5 vs Gemini 3 Flash

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

Pricing

Side-by-side pricing

Claude Fable 5

Flagship

Gemini 3 Flash

Fast / Budget
Input $/MTok
$10.00
$0.50
Output $/MTok
$50.00
$3.00
Cache discount
90% off
75% off
Context
1,000K
1,000K

Quality

Task confidence comparison

Confidence score from zero to one hundred by task type, where higher is better.
Code Generation
96
vs
65
Code Review
95
vs
62
Summarization
90
vs
83
Q&A
88
vs
82
Extraction
85
vs
86
Reasoning
98
vs
58
Classification
82
vs
88
Creative Writing
95
vs
52
Claude Fable 5
Gemini 3 Flash

Guidance

When to use Claude Fable 5 vs Gemini 3 Flash

Choose Claude Fable 5 when...

  • -You need strong reasoning (confidence 98 vs 58)
  • -You need strong code generation (confidence 96 vs 65)
  • -You need strong code review (confidence 95 vs 62)
  • -You need strong creative writing (confidence 95 vs 52)

Choose Gemini 3 Flash when...

  • -You need strong classification (confidence 88 vs 82)
  • -You need strong extraction (confidence 86 vs 85)
  • -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
Gemini 3 Flash
100K tokens
$2.20
$0.13Cheaper
1M tokens
$22.00
$1.25Cheaper
10M tokens
$220.00
$12.50Cheaper

FAQ

When should I use Claude Fable 5 instead of Gemini 3 Flash?

Claude Fable 5 outperforms Gemini 3 Flash for Reasoning, Code Generation, Code Review. It costs $10.00/$50.00 per million tokens (input/output).

Is Gemini 3 Flash cheaper than Claude Fable 5?

Yes. Gemini 3 Flash input costs $0.50/MTok vs $10.00/MTok for Claude Fable 5, saving 95% on input.

What are the context window sizes for Claude Fable 5 and Gemini 3 Flash?

Claude Fable 5 has a 1,000K token context window. Gemini 3 Flash has a 1,000K token context window.

Track your real costs

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