AI Calculator Pro

Claude Fable 5 vs Mistral Medium 3.1

Cost and capability comparison. For a sample workload of 1,000 input and 500 output tokens across 100,000 requests/month, Mistral Medium 3.1 is cheaper by about $3,360.00/month.

Claude Fable 5Mistral Medium 3.1
Intelligence
Arena · Overall(LMArena Elo — higher is better)1491✓1424
Arena rank (overall)#8✓#64
Arena · Coding1624✓1352
Arena · Math & reasoning1448✓1345
Arena · Agentic / tool use1452✓1342
Score evidenceMeasuredMeasured
Pricing (USD / 1M tokens)
Input$10.00$0.4000✓
Output$50.00$2.00✓
Cached input (read)$1.00✓—
Cache write$12.50✓—
Blended(3:1 input:output blend)$20.00$0.8000✓
Specs & capabilities
ProviderAnthropicMistral AI
Context window1M (1,000,000)✓131K (131,000)
Max output64,000✓8,192
Modalitiestexttext
VisionNoYes
Tool useYesYes
ReasoningYesNo
Prompt cachingYesNo
Batch pricingYesNo
Tokenizerclaudeapprox
Release date——
Statusgaga

Intelligence scores are community Arena ratings from LMArena / arena.ai, used under CC BY 4.0. Snapshot last refreshed 21 October 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 Mistral Medium 3.1 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: Mistral Medium 3.1 at $140.00/month
Workload: 1,000 in / 500 out × 100,000 requests/month
Mistral Medium 3.1Mistral AI$0.00140$140.00$1,680.00131,000
Claude Fable 5Anthropic$0.0350$3,500.00$42,000.001,000,000

FAQ

Which is cheaper, Claude Fable 5 or Mistral Medium 3.1?

For a workload of 1,000 input and 500 output tokens over 100,000 requests/month, Mistral Medium 3.1 is cheaper, costing about $140.00/month versus $3,500.00/month.

What is the context window of Claude Fable 5 and Mistral Medium 3.1?

Claude Fable 5 supports 1,000,000 tokens, while Mistral Medium 3.1 supports 131,000 tokens.

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