OpenAI: GPT-5 Nano
Analysis Summary
OpenAI: GPT-5 Nano is developed by OpenAI. It was released in August 2025. On our leaderboard it earns Specialist-tier status, ranking #110 of 571 models in our overall business-suitability ranking. For raw reasoning ability it ranks #128 of 374, putting it in the upper half for overall intelligence.
On coding it ranks #140 of 311, a reasonable fit for everyday development support. For agentic automation it sits at #157 of 286, handling the multi-step, tool-using tasks that power AI agents. Its 400K-token context window is larger than 85% of the models we list, suiting long documents, large codebases, and retrieval-heavy workloads. Crucially for business adoption, OpenAI: GPT-5 Nano combines tool use, function calling, vision input, and step-by-step reasoning in a single model, letting teams consolidate several use cases instead of stitching together multiple services.
At $0.050 input and $0.400 output per 1M tokens, OpenAI: GPT-5 Nano is aggressively priced for high-volume use which makes it easy to justify for cost-sensitive, high-throughput deployments. OpenAI: GPT-5 Nano is best deployed where its particular strengths line up with the task, rather than as a general-purpose frontier model.
Editorial notes
GPT-5 Nano from OpenAI offers vision, tool use, and a 400K context window at very low cost, with strong math performance; reasoning and agentic scores are limited but the value proposition is strong for lightweight tasks.
Assessed May 31, 2026
Rankings consider pricing, capabilities, benchmarks, and real-world applicability and are refreshed as new models launch. Feedback?
Performance Profile
How OpenAI: GPT-5 Nano compares
OpenAI: GPT-5 Nano ranks #128 of 374 AI models we track for overall intelligence, #140 of 311 for coding, #157 of 286 for agentic tasks. Its 400K-token context window is larger than 85% of the models we list. At $0.05 per million input tokens it is cheaper than 73% of comparable models.
About OpenAI: GPT-5 Nano
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, refreshed every 30 minutes.
Leaderboard Categories
External Resources
Frequently asked questions about OpenAI: GPT-5 Nano
How much does OpenAI: GPT-5 Nano cost?
OpenAI: GPT-5 Nano costs $0.05 per million input tokens and $0.40 per million output tokens.
What is the context window of OpenAI: GPT-5 Nano?
OpenAI: GPT-5 Nano has a context window of 400,000 tokens (400K).
Is OpenAI: GPT-5 Nano good for coding?
On our coding benchmark index, OpenAI: GPT-5 Nano ranks #140 of 311 models, placing it in the broader range of the field for code generation and debugging.
What can OpenAI: GPT-5 Nano do?
OpenAI: GPT-5 Nano supports image/vision input, tool use, and function calling.
Who created OpenAI: GPT-5 Nano?
OpenAI: GPT-5 Nano is developed by OpenAI and was released on August 7, 2025.
