Model comparison

Claude Fable 5 vs Qwen Plus

Claude Fable 5 is the stronger model overall, scoring 66.8 to 37.1 on the Noometry Index. Qwen Plus costs 33× less per token, which makes it the better buy when Claude Fable 5's lead doesn't matter for your workload.

Last verified . 18 shared benchmarks.

Claude Fable 5 Anthropic

66.8

Rank #5 Confirmed

Qwen Plus Alibaba (Qwen)

37.1

Rank #210 Confirmed

Summary

  • They share 18 benchmarks with published results for both. Claude Fable 5 scores higher in 8 categories and Qwen Plus in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in math, where Claude Fable 5 leads 88.5 to 23.3.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 100% for Claude Fable 5 and 17.8% for Qwen Plus.
  • Qwen Plus is cheaper at $0.40 / $1.20 per million input/output tokens, against $10 / $50 for Claude Fable 5.

Side by side

Claude Fable 5 and Qwen Plus specifications
Claude Fable 5Qwen Plus
ProviderAnthropicAlibaba (Qwen)
Noometry Index66.837.1
Released2026-06-072024-01-25
WeightsProprietaryProprietary
Context window1M1M
Max output128K33K
Input $ / M tokens$10$0.40
Output $ / M tokens$50$1.20
Results tracked6220

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Category by category

Coding Claude Fable 5 leads

Claude Fable 5: 70.6 (#4), Qwen Plus: 38.9 (#167)

Coding benchmarks
BenchmarkClaude Fable 5Qwen Plus
LMArena Coding15191328
DeepSWE69.9%—
FrontierCode53.5%—
LMArena WebDev1625—
FrontierSWE47%—
SciCode61%—
GSO78.4%—
WeirdML91.9%—
MirrorCode63.9%—
ALE-Bench2,041—

Agentic & Tool Use Not comparable

Claude Fable 5: 54.0 (#2), Qwen Plus: —

Agentic & Tool Use benchmarks
BenchmarkClaude Fable 5Qwen Plus
APEX-Agents63.6%—
Remote Labor Index16.1%—
τ²-bench Banking39.7%—
PostTrainBench41.8%—
GBAEval74.5%—
GDP.pdf30%—
LMArena Search1230—
Vending-Bench 25,680—

Reasoning Claude Fable 5 leads

Claude Fable 5: 76.8 (#6), Qwen Plus: 28.4 (#107)

Reasoning benchmarks
BenchmarkClaude Fable 5Qwen Plus
Kagi LLM Benchmark91.4%63.3%
LMArena Hard Prompts15081317
DTBench98.4%81.1%
LMCA61.1%24%
ARC-AGI-289.2%—
SimpleBench81.9%—
NYT Connections (extended)92.7%—
ARC-AGI-198.5%—
CritPt28.6%—
Chess Puzzles41%—
EnigmaEval39.3%—
EBR-Bench39.5%—
Mystery Game Puzzles52%—
Surface Evolver Bench95%—
Bench to the Future 30.13—
Epoch Capabilities Index162.06—

Math Claude Fable 5 leads

Claude Fable 5: 88.5 (#5), Qwen Plus: 23.3 (#271)

Math benchmarks
BenchmarkClaude Fable 5Qwen Plus
OTIS Mock AIME 2024-2025100%17.8%
LMArena Math15191326
FrontierMath (Tiers 1-3)87%—
FrontierMath Tier 490.2%—
ProofBench95%—
MATH Level 5—65.3%
FrontierMath (Feb 2025 set)—1.7%
FrontierMath Erdős0%—

Knowledge Claude Fable 5 leads

Claude Fable 5: 62.2 (#25), Qwen Plus: 27.4 (#251)

Knowledge benchmarks
BenchmarkClaude Fable 5Qwen Plus
GPQA Diamond85.9%48.1%
LMArena Expert15341328
SimpleQA Verified70.7%—

Multimodal Not comparable

Claude Fable 5: 45.3 (#17), Qwen Plus: —

Multimodal benchmarks
BenchmarkClaude Fable 5Qwen Plus
LMArena Vision1324—
Blueprint-Bench 238.6%—
Furniture Assembly35.8%—
LMArena Document1496—

Multilingual Claude Fable 5 leads

Claude Fable 5: 57.3 (#9), Qwen Plus: 45.1 (#175)

Multilingual benchmarks
BenchmarkClaude Fable 5Qwen Plus
LMArena Non-English14811310
LMArena Chinese15431347
LMArena Japanese15061251
LMArena Russian15041323
LMArena French1505—
LMArena German1486—
LMArena Korean1488—
LMArena Spanish1498—

Instruction Following Claude Fable 5 leads

Claude Fable 5: 78.6 (#8), Qwen Plus: 68.8 (#181)

Instruction Following benchmarks
BenchmarkClaude Fable 5Qwen Plus
LMArena Instruction Following15021303

Long Context Claude Fable 5 leads

Claude Fable 5: 46.3 (#23), Qwen Plus: 40.3 (#158)

Long Context benchmarks
BenchmarkClaude Fable 5Qwen Plus
LMArena Longer Query15091324

Writing & Preference Claude Fable 5 leads

Claude Fable 5: 75.9 (#5), Qwen Plus: 52.2 (#176)

Writing & Preference benchmarks
BenchmarkClaude Fable 5Qwen Plus
LMArena Text14911326
LMArena Creative Writing14941293
LMArena Multi-Turn15041336
EQ-Bench Creative Writing1943—
EQ-Bench 41340—

Frequently asked questions

Is Claude Fable 5 better than Qwen Plus?

Claude Fable 5 is the stronger model overall, scoring 66.8 to 37.1 on the Noometry Index. Qwen Plus costs 33× less per token, which makes it the better buy when Claude Fable 5's lead doesn't matter for your workload.

Which is cheaper, Claude Fable 5 or Qwen Plus?

Qwen Plus is cheaper. It lists at $0.40 per million input tokens and $1.20 per million output tokens; Claude Fable 5 lists at $10 and $50.

Is Claude Fable 5 or Qwen Plus better for coding?

Claude Fable 5 scores higher on coding benchmarks: 70.6 versus 38.9 in the Noometry coding category.

Which has the bigger context window?

Both accept 1M tokens.

How many benchmarks do Claude Fable 5 and Qwen Plus share?

18 benchmarks have published results for both models. Claude Fable 5 has 62 scored results on Noometry and Qwen Plus has 20.

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