What is the difference between Claude Fable 5.1 and MiniMax M2.5?

Claude Fable 5.1 is developed by Anthropic while MiniMax M2.5 is developed by MiniMax. Claude Fable 5.1 has a 1.0M token context window vs MiniMax M2.5's 205K. You can compare their actual outputs across 10 challenges on Rival to see how they differ in practice.

Which is better, Claude Fable 5.1 or MiniMax M2.5?

It depends on your use case. Claude Fable 5.1 and MiniMax M2.5 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 10 challenges so you can judge which fits your needs best.

How much does Claude Fable 5.1 cost compared to MiniMax M2.5?

Claude Fable 5.1 costs $10/M input tokens and MiniMax M2.5 costs $0.3/M input tokens. MiniMax M2.5 is $9.70/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

How can I compare Claude Fable 5.1 and MiniMax M2.5 on Rival?

This page shows a side-by-side comparison of Claude Fable 5.1 and MiniMax M2.5 across shared challenges. You can vote on which model produced the better output in a blind duel. Browsing and voting are free. No account is needed to look; signing in only saves your votes and likes.

Updated Sep 2026

Claude Fable 5.1vsMiniMax M2.5

MiniMax M2.5 is cheaper than Claude Fable 5.1 at $0.3/M vs $10/M input tokens.

Claude Fable 5.1 and MiniMax M2.5 compared across 10 shared prompts
Spec	Claude Fable 5.1	MiniMax M2.5
Input price	$10/M tokens	$0.3/M tokens
Output price	$50/M tokens	$1.2/M tokens
Context window	1.0M tokens	205K tokens
Weights	Closed	Open
Free API (OpenRouter)	No	No
Released	Sep 2026	Feb 2026

Our Verdict

Claude Fable 5.1

MiniMax M2.5Runner-up

Not enough votes to call it. On the specs, Claude Fable 5.1 has the edge: bigger model tier, newer, bigger context window, major provider backing.

MiniMax M2.5 costs 42x less per token.

Slight edge

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

Claude Fable 5.1

Input

$10.00

Output

$50.00

MiniMax M2.5

Input

$0.30

33× cheaper

Output

$1.20

42× cheaper

MiniMax M2.5 is cheaper on both: 33× input, 42× output.

Where to run it

11 hosts, cheapest first

Claude Fable 5.14 hosts

HostInOutContextUptime

Amazon Bedrock$10.00 in$50.00 out1M—Anthropic$10.00 in$50.00 out1M99.1% up Azure AI Foundry$10.00 in$50.00 out1M99.1% up Google Vertex AI$10.00 in$50.00 out1M99.8% up

MiniMax M2.57 hosts

HostInOutContextUptime

Venice$0.27 in$0.95 out198k92.3% up StreamLake$0.27 in$1.08 out200k99.6% up AtlasCloudfp8$0.29 in$1.20 out197k99.6% up DigitalOcean$0.30 in$1.20 out66k99.9% up Friendli$0.30 in$1.20 out197k100% up MiniMaxfp8$0.30 in$1.20 out205k99.9% up

1 more host

Novitafp8$0.30 in$1.20 out205k99.6% up

Per million tokens. Prices and uptime via OpenRouter, checked 16 Sep 2026.

Research

What we learned reading every model

FAQ

Common questions

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More comparisons

Cost per 1M tokens

11 hosts, cheapest first

What we learned reading every model

Common questions

What is the difference between Claude Fable 5.1 and MiniMax M2.5?

Which is better, Claude Fable 5.1 or MiniMax M2.5?

How much does Claude Fable 5.1 cost compared to MiniMax M2.5?

How can I compare Claude Fable 5.1 and MiniMax M2.5 on Rival?

More comparisons

Against the newest arrivals

Same lab, same size, long tail

Model pages

Cost per 1M tokens

11 hosts, cheapest first

What we learned reading every model

Common questions

What is the difference between Claude Fable 5.1 and MiniMax M2.5?

Which is better, Claude Fable 5.1 or MiniMax M2.5?

How much does Claude Fable 5.1 cost compared to MiniMax M2.5?

How can I compare Claude Fable 5.1 and MiniMax M2.5 on Rival?

More comparisons

Against the newest arrivals

Same lab, same size, long tail

Model pages