Comparison

Claude Fable 5 vs Gemini 3.5 Flash

Claude Fable 5 charges 85% more per input token than Gemini 3.5 Flash. Output pricing favors Gemini 3.5 Flash, 82% less per token than Claude Fable 5. Gemini 3.5 Flash has the larger context window than Claude Fable 5.

FieldClaude Fable 5
Gemini 3.5 Flash
ProviderAnthropicGoogle
Context window1M1M
Max output128K65.5K
Input / 1M$10.00$1.5085% cheaper
Output / 1M$50.00$9.0082% cheaper
Cached input / 1M$1.00$0.1585% cheaper
Batch discount50%50%
Release date2026-06-09

Worked cost examples

Estimated monthly cost on three common usage shapes

WorkloadClaude Fable 5Gemini 3.5 Flash

Chatbot

800 input / 200 output tokens per request, 100,000 requests/month

$1,800$300.00cheaper

RAG pipeline

6,000 input / 700 output tokens per request, 30,000 requests/month

$2,850$459.00cheaper

Batch summarization

20,000 input / 1,500 output tokens per request, 5,000 requests/month

$1,375$217.50cheaper

Claude Fable 5 vs Gemini 3.5 Flash FAQ

Is Claude Fable 5 cheaper than Gemini 3.5 Flash?
Claude Fable 5 costs $10.00 per 1M input tokens versus $1.50 for Gemini 3.5 Flash — Gemini 3.5 Flash is 567% cheaper per input token.
Which is cheaper for output tokens, Claude Fable 5 or Gemini 3.5 Flash?
Claude Fable 5 charges $50.00 per 1M output tokens; Gemini 3.5 Flash charges $9.00 per 1M output tokens.
Which has the larger context window, Claude Fable 5 or Gemini 3.5 Flash?
Gemini 3.5 Flash does, with a 1,048,576-token context window.
Do Claude Fable 5 and Gemini 3.5 Flash offer cache pricing?
Claude Fable 5 discounts cached input to $1.00 per 1M tokens. Gemini 3.5 Flash discounts cached input to $0.15 per 1M tokens.

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