Model comparison

Claude Fable 5 vs Llama2 70b Steerlm Chat

Claude Fable 5 is the stronger model overall, scoring 66.8 to 31.8 on the Noometry Index.

Last verified . 9 shared benchmarks.

Claude Fable 5 Anthropic

66.8

Rank #5 Confirmed

Llama2 70b Steerlm Chat NVIDIA

31.8

Rank #268 Confirmed

Summary

  • They share 9 benchmarks with published results for both. Claude Fable 5 scores higher in 7 categories and Llama2 70b Steerlm Chat in 0 categories; 7 gaps are clear of the uncertainty.
  • The widest gap is in math, where Claude Fable 5 leads 88.5 to 31.3.
  • Llama2 70b Steerlm Chat has downloadable open weights; the other is API-only.

Side by side

Claude Fable 5 and Llama2 70b Steerlm Chat specifications
Claude Fable 5Llama2 70b Steerlm Chat
ProviderAnthropicNVIDIA
Noometry Index66.831.8
Released2026-06-07—
WeightsProprietaryOpen
Context window1M—
Max output128K—
Input $ / M tokens$10—
Output $ / M tokens$50—
Results tracked629

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Category by category

Coding Claude Fable 5 leads

Claude Fable 5: 70.6 (#4), Llama2 70b Steerlm Chat: 29.9 (#300)

Coding benchmarks
BenchmarkClaude Fable 5Llama2 70b Steerlm Chat
LMArena Coding15191025
DeepSWE69.9%—
FrontierCode53.5%—
LMArena WebDev1625—
FrontierSWE47%—
SciCode61%—
GSO78.4%—
WeirdML91.9%—
MirrorCode63.9%—
ALE-Bench2,041—

Agentic & Tool Use Not comparable

Claude Fable 5: 54.0 (#2), Llama2 70b Steerlm Chat: —

Agentic & Tool Use benchmarks
BenchmarkClaude Fable 5Llama2 70b Steerlm Chat
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), Llama2 70b Steerlm Chat: 20.0 (#246)

Reasoning benchmarks
BenchmarkClaude Fable 5Llama2 70b Steerlm Chat
LMArena Hard Prompts15081047
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%—
Mystery Game Puzzles52%—
DTBench98.4%—
LMCA61.1%—
Surface Evolver Bench95%—
Bench to the Future 30.13—
Epoch Capabilities Index162.06—

Math Claude Fable 5 leads

Claude Fable 5: 88.5 (#5), Llama2 70b Steerlm Chat: 31.3 (#226)

Math benchmarks
BenchmarkClaude Fable 5Llama2 70b Steerlm Chat
LMArena Math15191072
FrontierMath (Tiers 1-3)87%—
FrontierMath Tier 490.2%—
OTIS Mock AIME 2024-2025100%—
ProofBench95%—
FrontierMath Erdős0%—

Knowledge Not comparable

Claude Fable 5: 62.2 (#25), Llama2 70b Steerlm Chat: —

Knowledge benchmarks
BenchmarkClaude Fable 5Llama2 70b Steerlm Chat
GPQA Diamond85.9%—
SimpleQA Verified70.7%—
LMArena Expert1534—

Multimodal Not comparable

Claude Fable 5: 45.3 (#17), Llama2 70b Steerlm Chat: —

Multimodal benchmarks
BenchmarkClaude Fable 5Llama2 70b Steerlm Chat
LMArena Vision1324—
Blueprint-Bench 238.6%—
Furniture Assembly35.8%—
LMArena Document1496—

Multilingual Claude Fable 5 leads

Claude Fable 5: 57.3 (#9), Llama2 70b Steerlm Chat: 28.8 (#270)

Multilingual benchmarks
BenchmarkClaude Fable 5Llama2 70b Steerlm Chat
LMArena Non-English14811063
LMArena Chinese1543—
LMArena French1505—
LMArena German1486—
LMArena Japanese1506—
LMArena Korean1488—
LMArena Russian1504—
LMArena Spanish1498—

Instruction Following Claude Fable 5 leads

Claude Fable 5: 78.6 (#8), Llama2 70b Steerlm Chat: 54.2 (#279)

Instruction Following benchmarks
BenchmarkClaude Fable 5Llama2 70b Steerlm Chat
LMArena Instruction Following15021060

Long Context Claude Fable 5 leads

Claude Fable 5: 46.3 (#23), Llama2 70b Steerlm Chat: 30.4 (#288)

Long Context benchmarks
BenchmarkClaude Fable 5Llama2 70b Steerlm Chat
LMArena Longer Query1509998

Writing & Preference Claude Fable 5 leads

Claude Fable 5: 75.9 (#5), Llama2 70b Steerlm Chat: 31.6 (#283)

Writing & Preference benchmarks
BenchmarkClaude Fable 5Llama2 70b Steerlm Chat
LMArena Text14911098
LMArena Creative Writing14941091
LMArena Multi-Turn15041058
EQ-Bench Creative Writing1943—
EQ-Bench 41340—

Frequently asked questions

Is Claude Fable 5 better than Llama2 70b Steerlm Chat?

Claude Fable 5 is the stronger model overall, scoring 66.8 to 31.8 on the Noometry Index.

Is Claude Fable 5 or Llama2 70b Steerlm Chat better for coding?

Claude Fable 5 scores higher on coding benchmarks: 70.6 versus 29.9 in the Noometry coding category.

How many benchmarks do Claude Fable 5 and Llama2 70b Steerlm Chat share?

9 benchmarks have published results for both models. Claude Fable 5 has 62 scored results on Noometry and Llama2 70b Steerlm Chat has 9.

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