Model comparison

Amazon Nova Pro vs Claude Fable 5

Claude Fable 5 is the stronger model overall, scoring 66.8 to 31.0 on the Noometry Index. Amazon Nova Pro costs 14× less per token, which makes it the better buy when Claude Fable 5's lead doesn't matter for your workload.

Last verified . 19 shared benchmarks.

Amazon Nova Pro Amazon

31.0

Rank #281 Confirmed

Claude Fable 5 Anthropic

66.8

Rank #5 Confirmed

Summary

  • They share 19 benchmarks with published results for both. Amazon Nova Pro scores higher in 0 categories and Claude Fable 5 in 10 categories; 10 gaps are clear of the uncertainty.
  • The widest gap is in math, where Claude Fable 5 leads 88.5 to 28.5.
  • Amazon Nova Pro is cheaper at $0.80 / $3.20 per million input/output tokens, against $10 / $50 for Claude Fable 5.
  • Claude Fable 5 accepts more context: 1M tokens versus 300K.

Side by side

Amazon Nova Pro and Claude Fable 5 specifications
Amazon Nova ProClaude Fable 5
ProviderAmazonAnthropic
Noometry Index31.066.8
Released2024-12-032026-06-07
WeightsProprietaryProprietary
Context window300K1M
Max output10K128K
Input $ / M tokens$0.80$10
Output $ / M tokens$3.20$50
Results tracked3862

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Category by category

Coding Claude Fable 5 leads

Amazon Nova Pro: 35.1 (#229), Claude Fable 5: 70.6 (#4)

Coding benchmarks
BenchmarkAmazon Nova ProClaude Fable 5
LMArena Coding12701519
DeepSWE—69.9%
FrontierCode—53.5%
LMArena WebDev—1625
FrontierSWE—47%
SciCode—61%
GSO—78.4%
WeirdML—91.9%
LiveBench Coding38.1%—
MirrorCode—63.9%
ALE-Bench—2,041

Agentic & Tool Use Claude Fable 5 leads

Amazon Nova Pro: 16.7 (#147), Claude Fable 5: 54.0 (#2)

Agentic & Tool Use benchmarks
BenchmarkAmazon Nova ProClaude Fable 5
APEX-Agents—63.6%
Berkeley Function Calling Leaderboard25%—
Remote Labor Index—16.1%
TheAgentCompany1.7%—
τ²-bench Banking—39.7%
PostTrainBench—41.8%
GBAEval—74.5%
GDP.pdf—30%
LMArena Search—1230
Vending-Bench 2—5,680

Reasoning Claude Fable 5 leads

Amazon Nova Pro: 20.0 (#243), Claude Fable 5: 76.8 (#6)

Reasoning benchmarks
BenchmarkAmazon Nova ProClaude Fable 5
LMArena Hard Prompts12461508
Epoch Capabilities Index123.8162.06
ARC-AGI-2—89.2%
SimpleBench—81.9%
Kagi LLM Benchmark—91.4%
NYT Connections (extended)—92.7%
ARC-AGI-1—98.5%
CritPt—28.6%
Chess Puzzles—41%
EnigmaEval—39.3%
EBR-Bench—39.5%
LiveBench Reasoning32.6%—
Mystery Game Puzzles—52%
DTBench—98.4%
LiveBench Data Analysis48.3%—
LMCA—61.1%
Surface Evolver Bench—95%
Bench to the Future 3—0.13
LiveBench43.5%—

Math Claude Fable 5 leads

Amazon Nova Pro: 28.5 (#243), Claude Fable 5: 88.5 (#5)

Math benchmarks
BenchmarkAmazon Nova ProClaude Fable 5
LMArena Math12521519
FrontierMath (Tiers 1-3)—87%
FrontierMath Tier 4—90.2%
OTIS Mock AIME 2024-2025—100%
ProofBench—95%
Omni-MATH24.2%—
LiveBench Math38%—
FrontierMath Erdős—0%

Knowledge Claude Fable 5 leads

Amazon Nova Pro: 27.4 (#250), Claude Fable 5: 62.2 (#25)

Knowledge benchmarks
BenchmarkAmazon Nova ProClaude Fable 5
LMArena Expert12111534
GPQA Diamond—85.9%
Humanity's Last Exam4.4%—
SimpleQA Verified—70.7%
MMLU-Pro67.3%—
Confabulations30.1%—
Vectara Hallucination Rate5.1%—
GPQA (HELM)44.6%—
MMLU82%—

Multimodal Claude Fable 5 leads

Amazon Nova Pro: 25.0 (#126), Claude Fable 5: 45.3 (#17)

Multimodal benchmarks
BenchmarkAmazon Nova ProClaude Fable 5
LMArena Vision9801324
Blueprint-Bench 2—38.6%
Furniture Assembly—35.8%
LMArena Document—1496

Multilingual Claude Fable 5 leads

Amazon Nova Pro: 39.7 (#223), Claude Fable 5: 57.3 (#9)

Multilingual benchmarks
BenchmarkAmazon Nova ProClaude Fable 5
LMArena Non-English12341481
LMArena Chinese12441543
LMArena French12711505
LMArena German12431486
LMArena Japanese12001506
LMArena Korean12031488
LMArena Russian12401504
LMArena Spanish11821498

Instruction Following Claude Fable 5 leads

Amazon Nova Pro: 64.9 (#226), Claude Fable 5: 78.6 (#8)

Instruction Following benchmarks
BenchmarkAmazon Nova ProClaude Fable 5
LMArena Instruction Following12351502
LiveBench Instruction Following67.1%—
IFEval81.5%—

Long Context Claude Fable 5 leads

Amazon Nova Pro: 38.1 (#205), Claude Fable 5: 46.3 (#23)

Long Context benchmarks
BenchmarkAmazon Nova ProClaude Fable 5
LMArena Longer Query12551509

Writing & Preference Claude Fable 5 leads

Amazon Nova Pro: 43.9 (#226), Claude Fable 5: 75.9 (#5)

Writing & Preference benchmarks
BenchmarkAmazon Nova ProClaude Fable 5
LMArena Text12591491
LMArena Creative Writing12121494
LMArena Multi-Turn12461504
Short-Story Creative Writing60.5%—
EQ-Bench Creative Writing—1943
WildBench77.7%—
EQ-Bench 4—1340
LiveBench Language37%—

Frequently asked questions

Is Amazon Nova Pro better than Claude Fable 5?

Claude Fable 5 is the stronger model overall, scoring 66.8 to 31.0 on the Noometry Index. Amazon Nova Pro costs 14× less per token, which makes it the better buy when Claude Fable 5's lead doesn't matter for your workload.

Which is cheaper, Amazon Nova Pro or Claude Fable 5?

Amazon Nova Pro is cheaper. It lists at $0.80 per million input tokens and $3.20 per million output tokens; Claude Fable 5 lists at $10 and $50.

Is Amazon Nova Pro or Claude Fable 5 better for coding?

Claude Fable 5 scores higher on coding benchmarks: 70.6 versus 35.1 in the Noometry coding category.

Which has the bigger context window?

Claude Fable 5 does, with 1M tokens against 300K.

How many benchmarks do Amazon Nova Pro and Claude Fable 5 share?

19 benchmarks have published results for both models. Amazon Nova Pro has 38 scored results on Noometry and Claude Fable 5 has 62.

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