# GPT-6.1 Sol

> OpenAI's GPT-6.1 Sol: near-Astra performance for complex coding, computer use and professional work at a lower cost. 1.05M context, 128K output, text, image and file input, reasoning; above 272K prompt tokens input doubles and output rises 1.5×.

Human version: https://kymaapi.com/models/gpt-6.1-sol
Live JSON: `GET https://kymaapi.com/v1/models` (no auth required)

## Facts

- **Model ID**: `gpt-6.1-sol`: pass this as `model` in the request body
- **Creator**: OpenAI
- **Released**: 2026-09-29
- **Context window**: 1M tokens
- **Max output**: 128K tokens per response, a hard ceiling, not a default
- **Price**: $2.70 in / $13.50 out per 1M, cached input $0.135 per 1M
- **Capabilities**: tools, vision, reasoning, caching

## Call it

```bash
curl https://kymaapi.com/v1/chat/completions \
  -H "Authorization: Bearer $KYMA_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "gpt-6.1-sol", "messages": [{"role": "user", "content": "Hello"}]}'
```

## See also

- All models: https://kymaapi.com/models.md
- Pricing: https://kymaapi.com/pricing.md
- Other models by OpenAI: https://kymaapi.com/models?q=OpenAI