GPT-4.1 Nano pricing & benchmarks
GPT-4.1 Nano is available from OpenAI at $0.100 per million input tokens and $0.400 per million output tokens ($0.175 blended at 3:1). It accepts up to 1,047,576 tokens of context. For tasks that demand low latency, GPT‑4.1 nano is the fastest and cheapest model in the GPT-4.1 series. It delivers exceptional performance at a small size with its 1 million...
Pricing
Per million tokens · OpenRouter
Input$0.100
Output$0.400
Blended (3:1)$0.175
Specification
openai/gpt-4.1-nano
Context window1.0M
Max output33K
ReleasedApr 2025
LicenceProprietary
Modalitiesin:text, in:image, in:file, out:text
Benchmarks
Independently run — not vendor self-reports. Every score links its source.
| Benchmark | Score | Config | Run | Source |
|---|---|---|---|---|
| GPQA Diamond | 48.9% ±2.5 | — | 2025-04-14 | Independently run · Epoch AI |
| OTIS Mock AIME | 28.9% ±6.0 | — | 2025-04-14 | Independently run · Epoch AI |
Scores published by Epoch AI, 'AI Benchmarking Hub', used under CC BY 4.0.
Cheaper models that score at least as well on GPQA Diamond
Strictly lower blended price AND an equal-or-higher GPQA Diamond score. One benchmark is one dimension — a model that wins here may still be weaker at your specific task.
| Model | Provider | Blended $/1M | GPQA Diamond | |
|---|---|---|---|---|
| gpt-oss-120b | OpenAI | $0.070 (−60%) | 75.8% | Compare → |
| Phi 4 | Microsoft | $0.088 (−50%) | 56.1% | Compare → |
| DeepSeek V4 Flash 0731 | DeepSeek | $0.113 (−36%) | 91.0% | Compare → |
| GPT-5 Nano | OpenAI | $0.138 (−21%) | 69.4% | Compare → |
| Llama 4 Scout | Meta | $0.150 (−14%) | 51.8% | Compare → |
Where to run GPT-4.1 Nano
3 options across 2 providers · 1.1× between cheapest and dearest. Blended at 3:1. ⚠ marks an option serving less context than the best available, or re-pricing above a prompt-length threshold. Bracketed labels are the provider's own service tier or region.
| Host | Blended $/1M | In / Out | Context | Uptime 24h |
|---|---|---|---|---|
| OpenAI | $0.175 | $0.100 / $0.400 | 1.0M | 99.3% |
| Azure | $0.175 | $0.100 / $0.400 | 1.0M | 99.9% |
| Azure (swedencentral) | $0.193 | $0.110 / $0.440 | 1.0M | — |
Host prices and uptime from OpenRouter, synced 2026-08-08.
Compare GPT-4.1 Nano
FAQ
How much does GPT-4.1 Nano cost?
GPT-4.1 Nano costs $0.100 per million input tokens and $0.400 per million output tokens on OpenRouter. At a 3:1 input:output mix that blends to $0.175 per million tokens.
What is GPT-4.1 Nano's context window?
GPT-4.1 Nano accepts up to 1,047,576 tokens of context, and can generate up to 32,768 output tokens.
How good is GPT-4.1 Nano on benchmarks?
GPT-4.1 Nano scores 48.9% on GPQA Diamond, independently run and published by Epoch AI. 2 benchmark results are listed on this page, each with its run date and source.
Is there a cheaper model as good as GPT-4.1 Nano?
Yes — 5 models in our catalogue cost less per token than GPT-4.1 Nano and score at least as high on the same benchmark. The cheapest is gpt-oss-120b at $0.070 per million tokens blended.