# GPT-5

> GPT-5, a family of models by OpenAI, listed from OpenRouter. Indexed, not reviewed: facts and our own checks, no score or ranking. GPT-5.5 is OpenAI’s frontier model designed for complex professional workloads, building on GPT-5.4 with stronger reasoning, higher reliability…

- Canonical: https://www.anchorterminal.com/tools/gpt-5
- Markdown: https://www.anchorterminal.com/tools/gpt-5.md (~650 tokens)
- Slim: https://www.anchorterminal.com/tools/gpt-5.min.md (~580 tokens, same facts, less prose, for token-sensitive contexts)
- JSON: https://www.anchorterminal.com/tools/gpt-5.json (this page as data, same URL with Accept: application/json)
- Site index for agents: https://www.anchorterminal.com/llms.txt (full text: https://www.anchorterminal.com/llms-full.txt)
- API: https://www.anchorterminal.com/api/v1/index.json
- Updated: 2026-10-05

# GPT-5

> Indexed, not reviewed: facts from OpenRouter and our own checks. No score, grade or rank, and not in the rankings until the panel reviews it. How the index works: https://www.anchorterminal.com/indexed/

- Kind: model family, by OpenAI
- Category: Model APIs & inference (https://www.anchorterminal.com/categories/inference.md)
- Listed because: OpenRouter lists it, with prices from the providers that serve it.
- What OpenRouter says: GPT-5.5 is OpenAI’s frontier model designed for complex professional workloads, building on GPT-5.4 with stronger reasoning, higher reliability, and improved token efficiency on hard tasks. It features a 1M+ token...

## Models (6)

| Model | OpenRouter id | Released | Context | Input $/1M | Output $/1M | Supports |
| --- | --- | --- | --- | --- | --- | --- |
| GPT-5.5 | `openai/gpt-5.5` | 2026-04 | 1.05M | $5 | $30 | tools, structured output, reasoning, caching, file, image |
| GPT-5.4 | `openai/gpt-5.4` | 2026-03 | 1.05M | $2.50 | $15 | tools, structured output, reasoning, caching, file, image |
| GPT-5.2 Chat | `openai/gpt-5.2-chat` | 2025-12 | 128k | $1.75 | $14 | tools, structured output, caching, file, image |
| GPT-5.2 | `openai/gpt-5.2` | 2025-12 | 400k | $1.75 | $14 | tools, structured output, reasoning, caching, file, image |
| GPT-5.1 | `openai/gpt-5.1` | 2025-11 | 400k | $1.25 | $10 | tools, structured output, reasoning, caching, file, image |
| GPT-5 | `openai/gpt-5` | 2025-08 | 400k | $1.25 | $10 | tools, structured output, reasoning, caching, file, image |

Prices and limits as OpenRouter lists them; a provider's own price can differ.

- JSON: https://www.anchorterminal.com/api/v1/tools/gpt-5.json
- Being indexed says nothing about quality, and nobody can pay for it. Ask for a review: https://www.anchorterminal.com/builders/#claiming