Model comparison

Claude Fable 5 vs Qwen3.6 Flash

Claude Fable 5 is the stronger model overall, scoring 66.8 to 38.8 on the Noometry Index. Qwen3.6 Flash costs 47× less per token, which makes it the better buy when Claude Fable 5's lead doesn't matter for your workload.

Last verified . 11 shared benchmarks.

Claude Fable 5 Anthropic

66.8

Rank #5 Confirmed

Qwen3.6 Flash Alibaba (Qwen)

38.8

Rank #182 Confirmed

Summary

  • They share 11 benchmarks with published results for both. Claude Fable 5 scores higher in 3 categories and Qwen3.6 Flash in 0 categories; 3 gaps are clear of the uncertainty.
  • The widest gap is in math, where Claude Fable 5 leads 88.5 to 39.0.
  • The biggest single-benchmark swing is FrontierMath (Tiers 1-3): 87% for Claude Fable 5 and 22.5% for Qwen3.6 Flash.
  • Qwen3.6 Flash is cheaper at $0.19 / $1.13 per million input/output tokens, against $10 / $50 for Claude Fable 5.

Side by side

Claude Fable 5 and Qwen3.6 Flash specifications
Claude Fable 5Qwen3.6 Flash
ProviderAnthropicAlibaba (Qwen)
Noometry Index66.838.8
Released2026-06-072026-04-27
WeightsProprietaryProprietary
Context window1M1M
Max output128K66K
Input $ / M tokens$10$0.19
Output $ / M tokens$50$1.13
Results tracked6213

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Category by category

Coding Not comparable

Claude Fable 5: 70.6 (#4), Qwen3.6 Flash: —

Coding benchmarks
BenchmarkClaude Fable 5Qwen3.6 Flash
ALE-Bench2,041326.4
DeepSWE69.9%—
FrontierCode53.5%—
LMArena WebDev1625—
FrontierSWE47%—
SciCode61%—
GSO78.4%—
WeirdML91.9%—
LMArena Coding1519—
MirrorCode63.9%—

Agentic & Tool Use Not comparable

Claude Fable 5: 54.0 (#2), Qwen3.6 Flash: —

Agentic & Tool Use benchmarks
BenchmarkClaude Fable 5Qwen3.6 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 (#6), Qwen3.6 Flash: 29.0 (#96)

Reasoning benchmarks
BenchmarkClaude Fable 5Qwen3.6 Flash
SimpleBench81.9%35.2%
Chess Puzzles41%20%
Mystery Game Puzzles52%18%
DTBench98.4%77.1%
LMCA61.1%31%
Epoch Capabilities Index162.06143.26
ARC-AGI-289.2%—
Kagi LLM Benchmark91.4%—
NYT Connections (extended)92.7%—
ARC-AGI-198.5%—
CritPt28.6%—
EnigmaEval39.3%—
EBR-Bench39.5%—
LMArena Hard Prompts1508—
Surface Evolver Bench95%—
Bench to the Future 30.13—

Math Claude Fable 5 leads

Claude Fable 5: 88.5 (#5), Qwen3.6 Flash: 39.0 (#117)

Math benchmarks
BenchmarkClaude Fable 5Qwen3.6 Flash
FrontierMath (Tiers 1-3)87%22.5%
OTIS Mock AIME 2024-2025100%84.4%
FrontierMath Tier 490.2%—
ProofBench95%—
LMArena Math1519—
FrontierMath (Feb 2025 set)—10.3%
FrontierMath Erdős0%—
FrontierMath Tier 4 (v1)—0%

Knowledge Claude Fable 5 leads

Claude Fable 5: 62.2 (#25), Qwen3.6 Flash: 42.1 (#100)

Knowledge benchmarks
BenchmarkClaude Fable 5Qwen3.6 Flash
GPQA Diamond85.9%83.3%
SimpleQA Verified70.7%15.9%
LMArena Expert1534—

Multimodal Not comparable

Claude Fable 5: 45.3 (#17), Qwen3.6 Flash: —

Multimodal benchmarks
BenchmarkClaude Fable 5Qwen3.6 Flash
LMArena Vision1324—
Blueprint-Bench 238.6%—
Furniture Assembly35.8%—
LMArena Document1496—

Multilingual Not comparable

Claude Fable 5: 57.3 (#9), Qwen3.6 Flash: —

Multilingual benchmarks
BenchmarkClaude Fable 5Qwen3.6 Flash
LMArena Non-English1481—
LMArena Chinese1543—
LMArena French1505—
LMArena German1486—
LMArena Japanese1506—
LMArena Korean1488—
LMArena Russian1504—
LMArena Spanish1498—

Instruction Following Not comparable

Claude Fable 5: 78.6 (#8), Qwen3.6 Flash: —

Instruction Following benchmarks
BenchmarkClaude Fable 5Qwen3.6 Flash
LMArena Instruction Following1502—

Long Context Not comparable

Claude Fable 5: 46.3 (#23), Qwen3.6 Flash: —

Long Context benchmarks
BenchmarkClaude Fable 5Qwen3.6 Flash
LMArena Longer Query1509—

Writing & Preference Not comparable

Claude Fable 5: 75.9 (#5), Qwen3.6 Flash: —

Writing & Preference benchmarks
BenchmarkClaude Fable 5Qwen3.6 Flash
LMArena Text1491—
LMArena Creative Writing1494—
EQ-Bench Creative Writing1943—
EQ-Bench 41340—
LMArena Multi-Turn1504—

Frequently asked questions

Is Claude Fable 5 better than Qwen3.6 Flash?

Claude Fable 5 is the stronger model overall, scoring 66.8 to 38.8 on the Noometry Index. Qwen3.6 Flash costs 47× 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 Qwen3.6 Flash?

Qwen3.6 Flash is cheaper. It lists at $0.19 per million input tokens and $1.13 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 Qwen3.6 Flash share?

11 benchmarks have published results for both models. Claude Fable 5 has 62 scored results on Noometry and Qwen3.6 Flash has 13.

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