Model comparison

GPT-5 Nano vs Wizardlm 70b

GPT-5 Nano and Wizardlm 70b score almost the same on the Noometry Index (33.5 vs 33.0), so choose on price, context window or the category you care about most.

Last verified . 12 shared benchmarks.

GPT-5 Nano OpenAI

33.5

Rank #241 Confirmed

Wizardlm 70b Microsoft

33.0

Rank #249 Confirmed

Summary

  • They share 12 benchmarks with published results for both. GPT-5 Nano scores higher in 4 categories and Wizardlm 70b in 3 categories; 7 gaps are clear of the uncertainty.
  • The widest gap is in instruction following, where GPT-5 Nano leads 75.0 to 56.3.
  • Wizardlm 70b has downloadable open weights; the other is API-only.

Side by side

GPT-5 Nano and Wizardlm 70b specifications
GPT-5 NanoWizardlm 70b
ProviderOpenAIMicrosoft
Noometry Index33.533.0
Released2025-08-07—
WeightsProprietaryOpen
Context window400K—
Max output128K—
Input $ / M tokens$0.05—
Output $ / M tokens$0.40—
Results tracked4912

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Category by category

Coding GPT-5 Nano leads

GPT-5 Nano: 33.6 (#254), Wizardlm 70b: 31.4 (#285)

Coding benchmarks
BenchmarkGPT-5 NanoWizardlm 70b
LMArena Coding13511081
SWE-bench Verified (bash only)34.8%—
WeirdML38.1%—
ALE-Bench718.67—

Agentic & Tool Use Not comparable

GPT-5 Nano: 25.8 (#106), Wizardlm 70b: —

Agentic & Tool Use benchmarks
BenchmarkGPT-5 NanoWizardlm 70b
Terminal-Bench21.8%—
Berkeley Function Calling Leaderboard51.5%—

Reasoning Wizardlm 70b leads

GPT-5 Nano: 16.3 (#306), Wizardlm 70b: 20.7 (#234)

Reasoning benchmarks
BenchmarkGPT-5 NanoWizardlm 70b
LMArena Hard Prompts13281079
ARC-AGI-22.6%—
Kagi LLM Benchmark62.2%—
ARC-AGI-120.7%—
Chess Puzzles27%—
Mystery Game Puzzles9%—
DTBench62.7%—
LMCA7.9%—
Epoch Capabilities Index139.38—
ForecastBench59.1—

Math Wizardlm 70b leads

GPT-5 Nano: 29.4 (#241), Wizardlm 70b: 32.2 (#218)

Math benchmarks
BenchmarkGPT-5 NanoWizardlm 70b
LMArena Math13171116
FrontierMath (Tiers 1-3)20%—
FrontierMath Tier 42.4%—
OTIS Mock AIME 2024-202581.1%—
ProofBench12%—
Omni-MATH54.6%—
MATH Level 595.2%—
FrontierMath (Feb 2025 set)8.3%—
FrontierMath Tier 4 (v1)2.1%—

Knowledge Not comparable

GPT-5 Nano: 35.9 (#178), Wizardlm 70b: —

Knowledge benchmarks
BenchmarkGPT-5 NanoWizardlm 70b
GPQA Diamond69.4%—
SimpleQA Verified11.7%—
MMLU-Pro77.8%—
Vectara Hallucination Rate10.5%—
GPQA (HELM)67.9%—
LMArena Expert1321—

Multimodal Not comparable

GPT-5 Nano: 31.3 (#108), Wizardlm 70b: —

Multimodal benchmarks
BenchmarkGPT-5 NanoWizardlm 70b
LMArena Vision1159—
VPCT37.2%—

Multilingual GPT-5 Nano leads

GPT-5 Nano: 45.3 (#172), Wizardlm 70b: 29.6 (#265)

Multilingual benchmarks
BenchmarkGPT-5 NanoWizardlm 70b
LMArena Non-English13131078
LMArena Chinese13561052
LMArena German13271083
LMArena Russian12961155
LMArena Japanese1226—
LMArena Korean1269—
LMArena Spanish1360—

Instruction Following GPT-5 Nano leads

GPT-5 Nano: 75.0 (#79), Wizardlm 70b: 56.3 (#273)

Instruction Following benchmarks
BenchmarkGPT-5 NanoWizardlm 70b
LMArena Instruction Following13061093
IFEval93.2%—

Long Context Wizardlm 70b leads

GPT-5 Nano: 31.3 (#281), Wizardlm 70b: 33.3 (#263)

Long Context benchmarks
BenchmarkGPT-5 NanoWizardlm 70b
LMArena Longer Query13121097
Fiction.LiveBench44.4%—

Writing & Preference GPT-5 Nano leads

GPT-5 Nano: 39.1 (#249), Wizardlm 70b: 34.8 (#269)

Writing & Preference benchmarks
BenchmarkGPT-5 NanoWizardlm 70b
LMArena Text13201120
LMArena Creative Writing12491149
LMArena Multi-Turn13111108
EQ-Bench Creative Writing705—
WildBench80.6%—

Frequently asked questions

Is GPT-5 Nano better than Wizardlm 70b?

GPT-5 Nano and Wizardlm 70b score almost the same on the Noometry Index (33.5 vs 33.0), so choose on price, context window or the category you care about most.

Is GPT-5 Nano or Wizardlm 70b better for coding?

GPT-5 Nano scores higher on coding benchmarks: 33.6 versus 31.4 in the Noometry coding category.

How many benchmarks do GPT-5 Nano and Wizardlm 70b share?

12 benchmarks have published results for both models. GPT-5 Nano has 49 scored results on Noometry and Wizardlm 70b has 12.

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