AI Calculator Pro

Claude Fable 5 vs Gemini 2.5 Flash

Cost and capability comparison. For a sample workload of 1,000 input and 500 output tokens across 100,000 requests/month, Gemini 2.5 Flash is cheaper by about $3,345.00/month.

Claude Fable 5Gemini 2.5 Flash
Intelligence
Arena · Overall(LMArena Elo — higher is better)1492✓1406
Arena rank (overall)#8✓#86
Arena · Coding1624✓1370
Arena · Math & reasoning1448✓1385
Arena · Agentic / tool use1452✓1368
Score evidenceMeasuredMeasured
Pricing (USD / 1M tokens)
Input$10.00$0.3000✓
Output$50.00$2.50✓
Cached input (read)$1.00$0.0300✓
Cache write$12.50✓—
Blended(3:1 input:output blend)$20.00$0.8500✓
Specs & capabilities
ProviderAnthropicGoogle
Context window1M (1,000,000)1M (1,000,000)
Max output64,00065,536✓
Modalitiestexttext, image, audio, video
VisionNoYes
Tool useYesYes
ReasoningYesYes
Prompt cachingYesYes
Batch pricingYesYes
Tokenizerclaudegemini
Release date——
Statusgaga

Intelligence scores are community Arena ratings from LMArena / arena.ai, used under CC BY 4.0. Snapshot last refreshed 2 November 2026. Scores are a relative signal, not an absolute measure of capability. A Measured score was voted on directly; an Estimated score is inherited from an identical base model (a regional/creator-prefixed hosting duplicate). See our methodology.

Compare on your own workload

Claude Fable 5 and Gemini 2.5 Flash are pre-loaded. Adjust the tokens and monthly volume to see which is cheaper for your usage.

Used unless you set active users below.

Results update automatically as you type.

Result
Cheapest: Gemini 2.5 Flash at $155.00/month
Workload: 1,000 in / 500 out × 100,000 requests/month
Gemini 2.5 FlashGoogle$0.00155$155.00$1,860.001,000,000
Claude Fable 5Anthropic$0.0350$3,500.00$42,000.001,000,000

FAQ

Which is cheaper, Claude Fable 5 or Gemini 2.5 Flash?

For a workload of 1,000 input and 500 output tokens over 100,000 requests/month, Gemini 2.5 Flash is cheaper, costing about $155.00/month versus $3,500.00/month.

What is the context window of Claude Fable 5 and Gemini 2.5 Flash?

Claude Fable 5 supports 1,000,000 tokens, while Gemini 2.5 Flash supports 1,000,000 tokens.

Estimates for planning only. Verify current pricing with each provider.