# GPT-6.1 Terra

> OpenAIのGPT-6世代のTerraモデル。高速・高効率を掲げ、視覚的推論、精密なコンピューター操作、明快で自然な文章作成に向けたモデルです。

Canonical: https://routemux.com/ja/openai/gpt-6.1-terra
Provider: OpenAI

## Key facts

| Field | Value |
| --- | --- |
| Model ID | openai/gpt-6.1-terra |
| Official model ID | gpt-6.1-terra |
| Context window | 1.05M |
| Max output | 128K |
| Input modalities | text, image |
| Output modalities | text |
| Capabilities | Vision, Reasoning, Tool Calling, Coding, Cache, Paid Cache Write |
| Upstream release | 2026-10-26 |
| Availability | available |

## Pricing

- RouteMux input: $0.15 per 1M tokens
- RouteMux output: $0.75 per 1M tokens
- Official input: $1 per 1M tokens
- Official output: $5 per 1M tokens
- Cache read: $0.0075 per 1M tokens
- Cache write: $0.1875 per 1M tokens
- Saving vs official: 85%

Billing is prepaid wallet, charged per successful request only.

## API access

Base URL: https://api.routemux.com

Supported protocols:

- openai_chat
- openai_responses
- anthropic_messages

## Other variants in this family

- GPT-6 Astra (`openai/gpt-6-astra`)
- GPT-6.1 Sol (`openai/gpt-6.1-sol`)
- GPT-6 Sol (`openai/gpt-6-sol`)
- GPT-6 Luna (`openai/gpt-6-luna`)