AI Observatory / Model Radar
OpenAI / openai/gpt-5-nano
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...
400,000
Context
N/A
Max output
$0.05 / 1M
Prompt price
2025-08-07
Created
01 / Snapshot
Pricing, context, modalities, and parameters.
Model Radar detail pages stay neutral and operator-readable: core metadata first, then workflow fit.
| Provider | OpenAI | Input modalities | text, image, file |
|---|---|---|---|
| Output modalities | text | Prompt price | $0.05 / 1M |
| Completion price | $0.40 / 1M | Request price | N/A |
| Context length | 400,000 | Max completion tokens | N/A |
| Supported parameters | include_reasoning, max_completion_tokens, max_tokens, reasoning, response_format, seed, structured_outputs, tool_choice, tools | ||
Best for
openai/gpt-5-nano
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...
Deep analysis
Coding workflows
Cross-modal work
Long context
vision
tool-capable
long-context
low-cost
03 / Colophon
Routes and exits.
Each model page stays simple: overview, compare, related models, then back to the public hub.