Model comparison

Claude Fable 5 vs Gemini 3.6 Flash

Compare Claude Fable 5 vs Gemini 3.6 Flash API pricing: input/output token costs, cache pricing, context windows, workload estimates, and routing fit.

Claude Fable 5

anthropic · claude-fable-5

Input
$10
Output
$50
Context
1M

Gemini 3.6 Flash

gemini · gemini-3.6-flash

Input
$1.5
Output
$7.5
Context
1M

Quick take

Gemini 3.6 Flash has the lower input price at $1.5 per 1M input tokens. Gemini 3.6 Flash is cheaper for the example blended workload below. Gemini 3.6 Flash has the larger context window at 1M tokens.

Choose Claude Fable 5 if...

  • Claude Fable 5 gives more room for long generated answers, reports, or code output.

Choose Gemini 3.6 Flash if...

  • Gemini 3.6 Flash is the better default for cost-sensitive traffic and repeated high-volume calls.
  • Gemini 3.6 Flash is safer for long documents, repository analysis, and RAG prompts because it has the larger context window.

Example workload cost

Estimates use input tokens plus 20% output tokens. They exclude provider discounts, cache hits, and tool/search surcharges.

Workload Claude Fable 5 Gemini 3.6 Flash Cheaper
1M input + 200K output $20.00 $3.00 Gemini 3.6 Flash
10M input + 2M output $200.00 $30.00 Gemini 3.6 Flash
100M input + 20M output $2,000.00 $300.00 Gemini 3.6 Flash

Context, output, and capability fit

Gemini 3.6 Flash provides the larger context window. Check max output separately when the task needs long reports, code generation, or full-document rewrites.

Claude Fable 5 max output
128K
Gemini 3.6 Flash max output
65.5K
Claude Fable 5 features
prompt caching, function calling, vision
Gemini 3.6 Flash features
prompt caching, function calling, vision

Risk notes for Claude Fable 5

  • High output price: cap max tokens for verbose generation workloads.

Risk notes for Gemini 3.6 Flash

  • No major capability risk is flagged in this snapshot, but provider pages should still be verified before production routing.

Routing tags

frontierpremiumreasoningcodingagentslong-contextmultimodalcache-friendlymythos-classragfaststablebudget

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