AI Observatory / Model Radar
OpenAI / openai/gpt-5
OpenAI: GPT-5
GPT-5 is OpenAI’s most advanced model, offering major improvements in reasoning, code quality, and user experience. It is optimized for complex tasks that require step-by-step reasoning, instruction following, and accuracy...
400,000
Context
128,000
Max output
$1.25 / 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 | $1.25 / 1M |
| Completion price | $10.00 / 1M | Request price | N/A |
| Context length | 400,000 | Max completion tokens | 128,000 |
| Supported parameters | include_reasoning, max_completion_tokens, max_tokens, reasoning, response_format, seed, structured_outputs, tool_choice, tools | ||
Best for
openai/gpt-5
OpenAI: GPT-5
GPT-5 is OpenAI’s most advanced model, offering major improvements in reasoning, code quality, and user experience. It is optimized for complex tasks that require step-by-step reasoning, instruction following, and accuracy...
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.