What is the difference between Claude Fable 5.1 and Qwen3 Coder Next?

Claude Fable 5.1 is developed by Anthropic while Qwen3 Coder Next is developed by Qwen. Claude Fable 5.1 has a 1.0M token context window vs Qwen3 Coder Next's 262K. 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 Qwen3 Coder Next?

It depends on your use case. Claude Fable 5.1 and Qwen3 Coder Next 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 Qwen3 Coder Next?

Claude Fable 5.1 costs $10/M input tokens and Qwen3 Coder Next costs $0.2/M input tokens. Qwen3 Coder Next is $9.80/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 Qwen3 Coder Next on Rival?

This page shows a side-by-side comparison of Claude Fable 5.1 and Qwen3 Coder Next 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 5.1vsQwen3 Coder Next

Qwen3 Coder Next is cheaper than Claude Fable 5.1 at $0.2/M vs $10/M input tokens.

Claude Fable 5.1 and Qwen3 Coder Next compared across 10 shared prompts
Spec	Claude Fable 5.1	Qwen3 Coder Next
Input price	$10/M tokens	$0.2/M tokens
Output price	$50/M tokens	$1.5/M tokens
Context window	1.0M tokens	262K tokens
Weights	Closed	Open
Free API (OpenRouter)	No	No
Released	Sep 2026	Feb 2026

Our Verdict

Claude Fable 5.1

Qwen3 Coder NextRunner-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.

Qwen3 Coder Next costs 33x 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

Qwen3 Coder Next

Input

$0.20

50× cheaper

Output

$1.50

33× cheaper

Qwen3 Coder Next is cheaper on both: 50× input, 33× output.

Where to run it

8 hosts, cheapest first

Claude Fable 5.14 hosts

HostInOutContextUptime

Amazon Bedrock$10.00 in$50.00 out1M—Anthropic$10.00 in$50.00 out1M99.7% up Azure AI Foundry$10.00 in$50.00 out1M99.7% up Google Vertex AI$10.00 in$50.00 out1M99.7% up

Qwen3 Coder Next4 hosts

HostInOutContextUptime

Parasailbf16$0.12 in$0.80 out262k100% up StreamLake$0.18 in$0.90 out256k99.1% up Novitafp8$0.20 in$1.50 out262k99.7% up Alibaba Cloud$0.30 in$1.50 out262k99.3% 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

8 hosts, cheapest first

What we learned reading every model

Common questions

What is the difference between Claude Fable 5.1 and Qwen3 Coder Next?

Which is better, Claude Fable 5.1 or Qwen3 Coder Next?

How much does Claude Fable 5.1 cost compared to Qwen3 Coder Next?

How can I compare Claude Fable 5.1 and Qwen3 Coder Next on Rival?

More comparisons

Against the newest arrivals

Same lab, same size, long tail

Model pages

Cost per 1M tokens

8 hosts, cheapest first

What we learned reading every model

Common questions

What is the difference between Claude Fable 5.1 and Qwen3 Coder Next?

Which is better, Claude Fable 5.1 or Qwen3 Coder Next?

How much does Claude Fable 5.1 cost compared to Qwen3 Coder Next?

How can I compare Claude Fable 5.1 and Qwen3 Coder Next on Rival?

More comparisons

Against the newest arrivals

Same lab, same size, long tail

Model pages