ModelsCompareBest forBenchmarksStatusPricingAPI

GPT-5 nano

OpenAI·Operational·Released 2025-08-07textvision
Context400k
Max output128k
Input / 1M$0.05 ↗
Output / 1M$0.4 ↗
Cached in$0.005
Benchmarks7

Benchmarks

Cited public sources · rank is exact-benchmark, apples-to-apples

AIME 2025 (MathArena)#14/2385% ↗
FrontierMath Tier 4 v2 (Epoch AI run)#39/442.4% ↗
FrontierMath Tiers 1-3 v2 (Epoch AI run)#49/5920% ↗
GPQA Diamond (Epoch AI run)#66/7769.4% ↗
OTIS Mock AIME 2024-2025 (Epoch AI run)#52/7681.1% ↗
SimpleQA Verified (Epoch AI run)#50/5311.7% ↗
SWE-bench Verified#39/4554.7% ↗

Compare

vs GPT-6 Astravs GPT-5.6 Solvs GPT-5.6 Terravs GPT-5.6 Lunavs Claude Fable 5.1vs Claude Opus 5vs Claude Sonnet 5vs Claude Haiku 4.5

More from OpenAI

GPT-6 AstraGPT-5.6 SolGPT-5.6 TerraGPT-5.6 LunaGPT-5.5GPT-5.5 Pro

Access GPT-5 nano and every other model through one endpoint with automatic failover: Respan gateway.