OpenAI: GPT-5 Nano
Analysis Summary
OpenAI: GPT-5 Nano sits in the Specialist tier on our leaderboard, ranked #96 of 556 published models on overall intelligence. At $0.050 input and $0.400 output per 1M tokens, it is among the most expensive on the market. It offers a generous context window for extended reasoning and code review and supports tool use, function calling, vision, and reasoning.
Editorial notes
GPT-5 Nano from OpenAI pairs a 400K context window and vision support with strong math and livecodebench scores at very low cost, though reasoning depth is mid-tier for demanding tasks.
Assessed May 14, 2026
Rankings consider pricing, capabilities, benchmarks, and real-world applicability and are refreshed as new models launch. Feedback?
Performance Profile
GPT-5-Nano is the smallest and fastest variant in the GPT-5 system, optimized for developer tools, rapid interactions, and ultra-low latency environments. While limited in reasoning depth compared to its larger..
Capabilities
Performance Indices
Source: Artificial Analysis
Benchmark Scores
Intelligence
Technical
Content
Benchmark data from Artificial Analysis and Hugging Face
How does OpenAI: GPT-5 Nano stack up?
Compare side-by-side with other specialist models.
Model Information
| OpenRouter ID |
openai/gpt-5-nano
|
| Provider | openai |
| Release Date | August 7, 2025 |
| Context Length | 400,000 tokens |
| Status | Active |
Pricing
| Token Type | Cost per 1M tokens | Cost per 1K tokens |
|---|---|---|
| Input | $0.05 | $0.000050 |
| Output | $0.40 | $0.000400 |
Live Performance
Live endpoint metrics ā refreshed every 30 minutes.
