Noometry

Model comparison

Claude Fable 5 vs Qwen3.7 Flash

Claude Fable 5 is the stronger model overall, scoring 66.3 to 39.5 on the Noometry Index. Qwen3.7 Flash costs 364× less per token, which makes it the better buy when Claude Fable 5's lead doesn't matter for your workload.

Last verified . 7 shared benchmarks.

Claude Fable 5 Anthropic

66.3

Rank #5 Confirmed

Qwen3.7 Flash Alibaba (Qwen)

39.5

Rank #152 Confirmed

Summary

  • They share 7 benchmarks with published results for both. Claude Fable 5 scores higher in 3 categories and Qwen3.7 Flash in 0 categories; 3 gaps are clear of the uncertainty.
  • The widest gap is in math, where Claude Fable 5 leads 88.4 to 37.3.
  • The biggest single-benchmark swing is FrontierMath (Tiers 1-3): 87% for Claude Fable 5 and 19.3% for Qwen3.7 Flash.
  • Qwen3.7 Flash is cheaper at $0.03 / $0.13 per million input/output tokens, against $10 / $50 for Claude Fable 5.

Side by side

Claude Fable 5Qwen3.7 Flash
ProviderAnthropicAlibaba (Qwen)
Noometry Index66.339.5
Released2026-06-072026-07-15
WeightsProprietaryProprietary
Context window1M1M
Max output128K131K
Input $ / M tokens$10$0.03
Output $ / M tokens$50$0.13
Results tracked617

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Category by category

Coding Not comparable

Claude Fable 5: 67.0 (#4), Qwen3.7 Flash: —

BenchmarkClaude Fable 5Qwen3.7 Flash
DeepSWE69.9%—
FrontierCode53.5%—
LMArena WebDev1626—
FrontierSWE47%—
SciCode61%—
WeirdML91.9%—
LMArena Coding1519—
MirrorCode63.9%—
ALE-Bench2,041—

Agentic & Tool Use Not comparable

Claude Fable 5: 54.1 (#2), Qwen3.7 Flash: —

BenchmarkClaude Fable 5Qwen3.7 Flash
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 (#4), Qwen3.7 Flash: 27.3 (#108)

BenchmarkClaude Fable 5Qwen3.7 Flash
NYT Connections (extended)92.7%43.8%
Chess Puzzles41%23%
Mystery Game Puzzles52%15%
Epoch Capabilities Index163.6144.62
ARC-AGI-289.2%—
SimpleBench81.9%—
Kagi LLM Benchmark91.4%—
ARC-AGI-198.5%—
CritPt28.6%—
EnigmaEval39.3%—
EBR-Bench39.5%—
LMArena Hard Prompts1508—
DTBench98.4%—
LMCA61.1%—
Surface Evolver Bench95%—
Bench to the Future 30.13—

Math Claude Fable 5 leads

Claude Fable 5: 88.4 (#5), Qwen3.7 Flash: 37.3 (#100)

BenchmarkClaude Fable 5Qwen3.7 Flash
FrontierMath (Tiers 1-3)87%19.3%
OTIS Mock AIME 2024-2025100%86.7%
FrontierMath Tier 490.2%—
ProofBench95%—
LMArena Math1519—
FrontierMath Erdős0%—

Knowledge Claude Fable 5 leads

Claude Fable 5: 62.3 (#22), Qwen3.7 Flash: 48.9 (#69)

BenchmarkClaude Fable 5Qwen3.7 Flash
GPQA Diamond85.9%82.3%
SimpleQA Verified70.7%—
LMArena Expert1534—

Multimodal Not comparable

Claude Fable 5: 45.6 (#14), Qwen3.7 Flash: —

BenchmarkClaude Fable 5Qwen3.7 Flash
LMArena Vision1326—
Blueprint-Bench 238.6%—
Furniture Assembly35.8%—
LMArena Document1496—

Multilingual Not comparable

Claude Fable 5: 57.6 (#8), Qwen3.7 Flash: —

BenchmarkClaude Fable 5Qwen3.7 Flash
LMArena Non-English1483—
LMArena Chinese1546—
LMArena French1509—
LMArena German1486—
LMArena Japanese1507—
LMArena Korean1493—
LMArena Russian1507—
LMArena Spanish1503—

Instruction Following Not comparable

Claude Fable 5: 78.8 (#7), Qwen3.7 Flash: —

BenchmarkClaude Fable 5Qwen3.7 Flash
LMArena Instruction Following1503—

Long Context Not comparable

Claude Fable 5: 46.3 (#22), Qwen3.7 Flash: —

BenchmarkClaude Fable 5Qwen3.7 Flash
LMArena Longer Query1510—

Writing & Preference Not comparable

Claude Fable 5: 76.1 (#5), Qwen3.7 Flash: —

BenchmarkClaude Fable 5Qwen3.7 Flash
LMArena Text1491—
LMArena Creative Writing1494—
EQ-Bench Creative Writing1943—
EQ-Bench 41340—
LMArena Multi-Turn1505—

Frequently asked questions

Is Claude Fable 5 better than Qwen3.7 Flash?

Claude Fable 5 is the stronger model overall, scoring 66.3 to 39.5 on the Noometry Index. Qwen3.7 Flash costs 364× 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 Qwen3.7 Flash?

Qwen3.7 Flash is cheaper. It lists at $0.03 per million input tokens and $0.13 per million output tokens; Claude Fable 5 lists at $10 and $50.

Which has the bigger context window?

Both accept 1M tokens.

How many benchmarks do Claude Fable 5 and Qwen3.7 Flash share?

7 benchmarks have published results for both models. Claude Fable 5 has 61 scored results on Noometry and Qwen3.7 Flash has 7.

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