# OpenAI adds GPT-6.1 Sol model to OpenRouter

> OpenAI’s GPT-6.1 Sol, a mid‑tier model for coding and document work, is now available via OpenRouter’s API.

Oossa · 2026-09-30 · https://oossa.com/en/openai-adds-gpt-6-1-sol-model-to-openrouter

Produced and translated with AI assistance. Check the original sources below.

OpenAI has released GPT-6.1 Sol on the OpenRouter platform. The model sits between the entry‑level GPT-6 Sol and the top‑tier GPT-6 Astra in the GPT‑6 series. It is marketed for agentic coding, computer use, and handling document‑heavy professional tasks. The API supports a context window of 1,050,000 tokens, allowing much longer inputs than earlier models.

## The facts

- GPT-6.1 Sol added to OpenRouter on 2026-09-29
- Context window: 1,050,000 tokens

## Why it matters

The larger context window lets developers work with far longer texts in a single prompt, improving productivity for coding and document‑intensive applications.

## Sources & references

1. [New on OpenRouter: OpenAI: GPT-6.1 Sol (batch)](https://openrouter.ai/openai/gpt-6.1-sol:batch) – OpenRouter API, 2026-09-29
2. [New on OpenRouter: OpenAI: GPT-6.1 Sol](https://openrouter.ai/openai/gpt-6.1-sol) – OpenRouter API, 2026-09-29

Last updated: 2026-09-30