AI Calculator Pro

Claude Fable 5 vs Gemini 2.5 Pro

Cost and capability comparison. For a sample workload of 1,000 input and 500 output tokens across 100,000 requests/month, Gemini 2.5 Pro is cheaper by about $2,875.00/month.

Claude Fable 5Gemini 2.5 Pro
Intelligence
Arena · Overall(LMArena Elo — higher is better)1492✓1458
Arena rank (overall)#8✓#29
Arena · Coding1624✓1226
Arena · Math & reasoning14481450✓
Arena · Agentic / tool use1452✓1425
Score evidenceMeasuredMeasured
Pricing (USD / 1M tokens)
Input$10.00$1.25✓
Output$50.00$10.00✓
Cached input (read)$1.00$0.1250✓
Cache write$12.50✓—
Blended(3:1 input:output blend)$20.00$3.44✓
Specs & capabilities
ProviderAnthropicGoogle
Context window1M (1,000,000)1.0M (1,048,576)✓
Max output64,00065,536✓
Modalitiestexttext, image, audio, video
VisionNoYes
Tool useYesYes
ReasoningYesYes
Prompt cachingYesYes
Batch pricingYesYes
Tokenizerclaudegemini
Release date—2025-03
Statusgaga

Intelligence scores are community Arena ratings from LMArena / arena.ai, used under CC BY 4.0. Snapshot last refreshed 3 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 Pro 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 Pro at $625.00/month
Workload: 1,000 in / 500 out × 100,000 requests/month
Gemini 2.5 ProGoogle$0.00625$625.00$7,500.001,048,576
Claude Fable 5Anthropic$0.0350$3,500.00$42,000.001,000,000

FAQ

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

For a workload of 1,000 input and 500 output tokens over 100,000 requests/month, Gemini 2.5 Pro is cheaper, costing about $625.00/month versus $3,500.00/month.

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

Claude Fable 5 supports 1,000,000 tokens, while Gemini 2.5 Pro supports 1,048,576 tokens.

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