Noometry

Model comparison

Claude Fable 5.1 vs Qwen3-Coder 480B-A35B Instruct

Claude Fable 5.1 is the stronger model overall, scoring 69.0 to 38.1 on the Noometry Index. Qwen3-Coder 480B-A35B Instruct costs 6.7× less per token, which makes it the better buy when Claude Fable 5.1's lead doesn't matter for your workload.

Last verified . 21 shared benchmarks.

Claude Fable 5.1 Anthropic

69.0

Rank #2 Confirmed

Qwen3-Coder 480B-A35B Instruct Alibaba (Qwen)

38.1

Rank #190 Confirmed

Summary

  • They share 21 benchmarks with published results for both. Claude Fable 5.1 scores higher in 9 categories and Qwen3-Coder 480B-A35B Instruct in 0 categories; 9 gaps are clear of the uncertainty.
  • The widest gap is in math, where Claude Fable 5.1 leads 89.6 to 37.6.
  • The biggest single-benchmark swing is GSO: 88.2% for Claude Fable 5.1 and 4.9% for Qwen3-Coder 480B-A35B Instruct.
  • Qwen3-Coder 480B-A35B Instruct is cheaper at $1.50 / $7.50 per million input/output tokens, against $10 / $50 for Claude Fable 5.1.
  • Claude Fable 5.1 accepts more context: 1M tokens versus 262K.
  • Qwen3-Coder 480B-A35B Instruct has downloadable open weights; the other is API-only.

Side by side

Claude Fable 5.1Qwen3-Coder 480B-A35B Instruct
ProviderAnthropicAlibaba (Qwen)
Noometry Index69.038.1
Released2026-09-012025-04
WeightsProprietaryOpen
Context window1M262K
Max output128K66K
Input $ / M tokens$10$1.50
Output $ / M tokens$50$7.50
Results tracked5225

Sponsored placements are available on pages like this one. Advertise on Noometry

Category by category

Coding Claude Fable 5.1 leads

Claude Fable 5.1: 74.7 (#1), Qwen3-Coder 480B-A35B Instruct: 35.5 (#223)

BenchmarkClaude Fable 5.1Qwen3-Coder 480B-A35B Instruct
LMArena WebDev17441275
GSO88.2%4.9%
WeirdML92.9%41.2%
LMArena Coding15281412
ALE-Bench2,143461.45
FrontierCode50.9%—
SWE-bench Verified (bash only)—55.4%
CursorBench51.8%—
FrontierSWE56.3%—
SciCode63.1%—
MirrorCode73.3%—
AlgoTune—1.44

Agentic & Tool Use Claude Fable 5.1 leads

Claude Fable 5.1: 50.7 (#5), Qwen3-Coder 480B-A35B Instruct: 23.9 (#123)

BenchmarkClaude Fable 5.1Qwen3-Coder 480B-A35B Instruct
Terminal-Bench—27.2%
APEX-Agents68.6%—
Remote Labor Index17.9%—
GDP.pdf29.6%—
Vending-Bench 25,422—

Reasoning Claude Fable 5.1 leads

Claude Fable 5.1: 76.7 (#7), Qwen3-Coder 480B-A35B Instruct: 25.5 (#149)

BenchmarkClaude Fable 5.1Qwen3-Coder 480B-A35B Instruct
LMArena Hard Prompts15261372
ARC-AGI-290%—
Kagi LLM Benchmark—49.5%
NYT Connections (extended)90%—
ARC-AGI-197.5%—
CritPt31.1%—
Chess Puzzles47%—
EBR-Bench57.1%—
Mystery Game Puzzles58%—
DTBench97.6%—
LMCA65.5%—
Epoch Capabilities Index164.7—

Math Claude Fable 5.1 leads

Claude Fable 5.1: 89.6 (#4), Qwen3-Coder 480B-A35B Instruct: 37.6 (#150)

BenchmarkClaude Fable 5.1Qwen3-Coder 480B-A35B Instruct
LMArena Math15251365
FrontierMath (Tiers 1-3)90.2%—
FrontierMath Tier 487.8%—
OTIS Mock AIME 2024-2025100%—
ProofBench100%—
FrontierMath Erdős0%—

Knowledge Claude Fable 5.1 leads

Claude Fable 5.1: 69.6 (#6), Qwen3-Coder 480B-A35B Instruct: 37.0 (#162)

BenchmarkClaude Fable 5.1Qwen3-Coder 480B-A35B Instruct
LMArena Expert15351338
Humanity's Last Exam46.5%—
SimpleQA Verified70.8%—

Multimodal Not comparable

Claude Fable 5.1: 53.9 (#4), Qwen3-Coder 480B-A35B Instruct: —

BenchmarkClaude Fable 5.1Qwen3-Coder 480B-A35B Instruct
LMArena Vision1318—
Blueprint-Bench 241.9%—
Furniture Assembly70%—
LMArena Document1513—

Multilingual Claude Fable 5.1 leads

Claude Fable 5.1: 59.1 (#3), Qwen3-Coder 480B-A35B Instruct: 47.7 (#148)

BenchmarkClaude Fable 5.1Qwen3-Coder 480B-A35B Instruct
LMArena Non-English15071346
LMArena Chinese15861357
LMArena French15251398
LMArena German15001325
LMArena Japanese15431310
LMArena Korean15341305
LMArena Russian15211366
LMArena Spanish15161360

Instruction Following Claude Fable 5.1 leads

Claude Fable 5.1: 79.2 (#6), Qwen3-Coder 480B-A35B Instruct: 71.6 (#147)

BenchmarkClaude Fable 5.1Qwen3-Coder 480B-A35B Instruct
LMArena Instruction Following15171355

Long Context Claude Fable 5.1 leads

Claude Fable 5.1: 46.7 (#20), Qwen3-Coder 480B-A35B Instruct: 42.0 (#131)

BenchmarkClaude Fable 5.1Qwen3-Coder 480B-A35B Instruct
LMArena Longer Query15221378

Writing & Preference Claude Fable 5.1 leads

Claude Fable 5.1: 79.2 (#2), Qwen3-Coder 480B-A35B Instruct: 55.3 (#147)

BenchmarkClaude Fable 5.1Qwen3-Coder 480B-A35B Instruct
LMArena Text15101357
LMArena Creative Writing15071333
LMArena Multi-Turn14921365
EQ-Bench Creative Writing2162—

Frequently asked questions

Is Claude Fable 5.1 better than Qwen3-Coder 480B-A35B Instruct?

Claude Fable 5.1 is the stronger model overall, scoring 69.0 to 38.1 on the Noometry Index. Qwen3-Coder 480B-A35B Instruct costs 6.7× less per token, which makes it the better buy when Claude Fable 5.1's lead doesn't matter for your workload.

Which is cheaper, Claude Fable 5.1 or Qwen3-Coder 480B-A35B Instruct?

Qwen3-Coder 480B-A35B Instruct is cheaper. It lists at $1.50 per million input tokens and $7.50 per million output tokens; Claude Fable 5.1 lists at $10 and $50.

Is Claude Fable 5.1 or Qwen3-Coder 480B-A35B Instruct better for coding?

Claude Fable 5.1 scores higher on coding benchmarks: 74.7 versus 35.5 in the Noometry coding category.

Which has the bigger context window?

Claude Fable 5.1 does, with 1M tokens against 262K.

How many benchmarks do Claude Fable 5.1 and Qwen3-Coder 480B-A35B Instruct share?

21 benchmarks have published results for both models. Claude Fable 5.1 has 52 scored results on Noometry and Qwen3-Coder 480B-A35B Instruct has 25.

Related comparisons

Go deeper