GPT-4.1 Nano
DeprecatesGPT-4.1 Nano is OpenAI's language model with a 1.0M context window and up to 33K output tokens, available from 5 providers, starting at $0.100 / 1M input and $0.400 / 1M output. The smallest tier of GPT-4.1, optimized for ultra-low latency instruction following and tool calling with a 1M-token context window.
Capabilities
Input3/5
Text✓
Image✓
Audio·
Video·
PDF✓
Output1/5
Text✓
Image·
Audio·
Video·
Embedding·
Capabilities5/13
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 | |
OpenAI | $0.100 | $0.400 | $0.025 | N/A | $0.050 | $0.200 | $0.013 |
 OpenRouter | $0.100 | $0.400 | $0.025 | $0.010 | — | — | — |
 Replicate | $0.100 | $0.400 | N/A | N/A | — | — | — |
 Vercel AI Gateway | $0.100 | $0.400 | $0.025 | N/A | — | — | — |
 Azure AI Foundry | $0.110 | $0.440 | $0.025 | N/A | $0.060 | $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 | Available | |
| 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 | Current |
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 |