Model comparison

Claude Fable 5 vs Qwen2.5 14B Instruct

Claude Fable 5 has enough public results to be ranked (#5); Qwen2.5 14B Instruct does not yet, so treat this comparison as directional.

Last verified . 0 shared benchmarks.

Claude Fable 5 Anthropic

66.3

Rank #5 Confirmed

Summary

  • The widest gap is in coding, where Claude Fable 5 leads 67.0 to 37.1.
  • Qwen2.5 14B Instruct is cheaper at $0.35 / $1.40 per million input/output tokens, against $10 / $50 for Claude Fable 5.
  • Claude Fable 5 accepts more context: 1M tokens versus 131K.
  • Qwen2.5 14B Instruct has downloadable open weights; the other is API-only.

Side by side

Claude Fable 5 and Qwen2.5 14B Instruct specifications
Claude Fable 5Qwen2.5 14B Instruct
ProviderAnthropicAlibaba (Qwen)
Noometry Index66.338.2
Released2026-06-072024-09
WeightsProprietaryOpen
Context window1M131K
Max output128K8K
Input $ / M tokens$10$0.35
Output $ / M tokens$50$1.40
Results tracked613

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Category by category

Coding Claude Fable 5 leads

Claude Fable 5: 67.0 (#4), Qwen2.5 14B Instruct: 37.1 (#187)

Coding benchmarks
BenchmarkClaude Fable 5Qwen2.5 14B Instruct
DeepSWE69.9%—
FrontierCode53.5%—
LMArena WebDev1626—
FrontierSWE47%—
SciCode61%—
WeirdML91.9%—
BigCodeBench Instruct—39.8%
LMArena Coding1519—
MirrorCode63.9%—
BigCodeBench Complete—52.2%
ALE-Bench2,041—

Agentic & Tool Use Not comparable

Claude Fable 5: 54.1 (#2), Qwen2.5 14B Instruct: —

Agentic & Tool Use benchmarks
BenchmarkClaude Fable 5Qwen2.5 14B Instruct
APEX-Agents63.6%—
Remote Labor Index16.1%—
τ²-bench Banking39.7%—
PostTrainBench41.8%—
GBAEval74.5%—
GDP.pdf30%—
LMArena Search1230—
Vending-Bench 25,680—

Reasoning Not comparable

Claude Fable 5: 76.8 (#4), Qwen2.5 14B Instruct: —

Reasoning benchmarks
BenchmarkClaude Fable 5Qwen2.5 14B Instruct
ARC-AGI-289.2%—
SimpleBench81.9%—
Kagi LLM Benchmark91.4%—
NYT Connections (extended)92.7%—
ARC-AGI-198.5%—
CritPt28.6%—
Chess Puzzles41%—
EnigmaEval39.3%—
EBR-Bench39.5%—
LMArena Hard Prompts1508—
Mystery Game Puzzles52%—
DTBench98.4%—
LMCA61.1%—
Surface Evolver Bench95%—
Bench to the Future 30.13—
Epoch Capabilities Index163.6—

Math Not comparable

Claude Fable 5: 88.4 (#5), Qwen2.5 14B Instruct: —

Math benchmarks
BenchmarkClaude Fable 5Qwen2.5 14B Instruct
FrontierMath (Tiers 1-3)87%—
FrontierMath Tier 490.2%—
OTIS Mock AIME 2024-2025100%—
ProofBench95%—
LMArena Math1519—
FrontierMath Erdős0%—

Knowledge Not comparable

Claude Fable 5: 62.3 (#22), Qwen2.5 14B Instruct: —

Knowledge benchmarks
BenchmarkClaude Fable 5Qwen2.5 14B Instruct
GPQA Diamond85.9%—
SimpleQA Verified70.7%—
LMArena Expert1534—
MMLU—79.9%

Multimodal Not comparable

Claude Fable 5: 45.6 (#14), Qwen2.5 14B Instruct: —

Multimodal benchmarks
BenchmarkClaude Fable 5Qwen2.5 14B Instruct
LMArena Vision1326—
Blueprint-Bench 238.6%—
Furniture Assembly35.8%—
LMArena Document1496—

Multilingual Not comparable

Claude Fable 5: 57.6 (#8), Qwen2.5 14B Instruct: —

Multilingual benchmarks
BenchmarkClaude Fable 5Qwen2.5 14B Instruct
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), Qwen2.5 14B Instruct: —

Instruction Following benchmarks
BenchmarkClaude Fable 5Qwen2.5 14B Instruct
LMArena Instruction Following1503—

Long Context Not comparable

Claude Fable 5: 46.3 (#22), Qwen2.5 14B Instruct: —

Long Context benchmarks
BenchmarkClaude Fable 5Qwen2.5 14B Instruct
LMArena Longer Query1510—

Writing & Preference Not comparable

Claude Fable 5: 76.1 (#5), Qwen2.5 14B Instruct: —

Writing & Preference benchmarks
BenchmarkClaude Fable 5Qwen2.5 14B Instruct
LMArena Text1491—
LMArena Creative Writing1494—
EQ-Bench Creative Writing1943—
EQ-Bench 41340—
LMArena Multi-Turn1505—

Frequently asked questions

Is Claude Fable 5 better than Qwen2.5 14B Instruct?

Claude Fable 5 has enough public results to be ranked (#5); Qwen2.5 14B Instruct does not yet, so treat this comparison as directional.

Which is cheaper, Claude Fable 5 or Qwen2.5 14B Instruct?

Qwen2.5 14B Instruct is cheaper. It lists at $0.35 per million input tokens and $1.40 per million output tokens; Claude Fable 5 lists at $10 and $50.

Is Claude Fable 5 or Qwen2.5 14B Instruct better for coding?

Claude Fable 5 scores higher on coding benchmarks: 67.0 versus 37.1 in the Noometry coding category.

Which has the bigger context window?

Claude Fable 5 does, with 1M tokens against 131K.

How many benchmarks do Claude Fable 5 and Qwen2.5 14B Instruct share?

0 benchmarks have published results for both models. Claude Fable 5 has 61 scored results on Noometry and Qwen2.5 14B Instruct has 3.

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