GPT-5 Nano
gpt-5-nano
Last refreshed 2026-05-22. Next refresh: weekly.
GPT-5 Nano is worth evaluating for coding, rag, and agents when its provider route and context window match the workload.
Decision context: Coding task fit, 4 tracked provider routes, and research from 2026-05-10.
Use it for
- Teams evaluating coding, rag, and agents
- Workloads that can use a 400K context window
- Buyers comparing 4 tracked provider routes
Do not use it for
- Workloads where another current model has stronger sourced task evidence
Cheapest output
$0.400
OpenAI API per 1M tokens
Provider routes
4
Tracked API hosts
Quality / dollar
Unknown
No task benchmark coverage yet
Freshness
2026-05-10
Researched 13d ago
Top use-case fit
Coding
Included by capability and metadata signals in the decision map.
RAG
Included by capability and metadata signals in the decision map.
Agents
Included by capability and metadata signals in the decision map.
Provider price ladder
Compare all 4| Provider | Input / 1M | Output / 1M | Batch in / out | Cache | Route |
|---|---|---|---|---|---|
| OpenAI API | $0.050 | $0.400 | $0.025 / $0.200 | read $0.005 | Serverless |
| OpenRouter | $0.050 | $0.400 | - | - | Serverless |
| Replicate API | $0.050 | $0.400 | - | - | Serverless |
| Vercel AI Gateway | $0.050 | $0.400 | - | read $0.005 | Serverless |
Benchmark peer barsfor Coding
No task-mapped benchmark peers are available for this model yet.
Migration checks
No linked migration route is available for this model yet.
About
Fastest, cheapest GPT-5 variant for summarization and classification tasks. Also available via Realtime API.
GPT-5 Nano has a 400K-token context window.
GPT-5 Nano input tokens at $0.05/1M, output at $0.4/1M.
