GPT-5 Nano
GPT-5 Nano is OpenAI's language model with a 400K context window and up to 128K output tokens, available from 8 providers, starting at $0.050 / 1M input and $0.400 / 1M output. The smallest and fastest GPT-5 tier, designed for summarization, classification, and other speed- and cost-sensitive workloads with vision and image-generation support.
Capabilities
Input3/5
Text✓
Image✓
Audio·
Video·
PDF✓
Output1/5
Text✓
Image·
Audio·
Video·
Embedding·
Capabilities7/13
Reasoning✓
Adaptive Reasoning·
Function Calling✓
Parallel Function Calling✓
Structured Outputs✓
Native JSON Schema✓
Web Search✓
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching✓
Assistant Prefill·
Pricing by Provider
| Provider | Standard | Batch | |||||
|---|---|---|---|---|---|---|---|
| Input $ / 1M | Output $ / 1M | Cache Read $ / 1M | Web Search $ / query | Input $ / 1M | Output $ / 1M | Cache Read $ / 1M | |
 Databricks | $0.050 | $0.400 | N/A | N/A | — | — | — |
OpenAI | $0.050 | $0.400 | $0.0050 | N/A | $0.025 | $0.200 | $0.0025 |
 OpenRouter | $0.050 | $0.400 | $0.010 | $0.010 | — | — | — |
 Oracle Cloud (OCI) | $0.050 | $0.400 | N/A | N/A | — | — | — |
 Replicate | $0.050 | $0.400 | N/A | N/A | — | — | — |
 Vercel AI Gateway | $0.050 | $0.400 | $0.0050 | N/A | — | — | — |
 Azure AI Foundry | $0.055 | $0.440 | $0.0055 | N/A | — | — | — |
 Snowflake | $0.060 | $0.440 | N/A | N/A | $0.030 | $0.220 | N/A |
Cost Calculator
Preset:
Versions
| Version | Released | Context | Input / 1M | Output / 1M | Status |
|---|---|---|---|---|---|
| GPT-5.4 Nano | 1.1M | $0.200 | $1.25 | Available | |
| GPT-5 Nano | 400K | $0.050 | $0.400 | Current | |
| GPT-5.4 Nano Medium | — | — | — | — | Available |
| GPT-5 Nano Medium | — | — | — | — | Available |
| GPT-5.4 Nano Non-Reasoning | — | — | — | — | Available |
| GPT-5 Nano Minimal | — | — | — | — | Available |
| GPT-4.1 Nano | 1.0M | $0.100 | $0.400 | Deprecating |
Other models
| Model | Tier | Released | Context | Input / 1M | Output / 1M |
|---|---|---|---|---|---|
| GPT-5.5 | — | 1.1M | $5.00 | $30.00 | |
| GPT-5.4 Mini | Mini | 1.1M | $0.750 | $4.50 | |
| GPT-5.4 | — | 1.1M | $2.50 | $15.00 | |
| GPT-5.3 Codex | — | 400K | $1.75 | $14.00 | |
| GPT-5.2 Codex | — | 400K | $1.75 | $14.00 | |
| GPT-5.2 | — | 410K | $1.75 | $14.00 | |
| GPT-5.1 | — | 410K | $1.25 | $10.00 | |
| GPT-5.1 Codex | — | 400K | $1.25 | $10.00 | |
| GPT-5.1 Codex Mini | — | 400K | $0.250 | $2.00 | |
| GPT-5 Codex | — | 400K | $1.25 | $10.00 |