# GPT-5.6 Terra Review & Benchmarks (2026): Price, Context, Specs | Alher Tech

> GPT-5.6 Terra by OpenAI: benchmarks, pricing, context window, strengths and use cases. Data from official benchmark sources.

- Canonical page: https://alhertech.com/en/ai-comparison/gpt-5-6-terra/
- Site: Alher Tech (custom software, AI agents and SEO engineering, https://alhertech.com/)
- Contact: https://alhertech.com/en/contact/

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Last updated: August 11, 2026

## Specs

- **Vendor**: OpenAI
- **Released**: July 9, 2026
- **Context window**: 1.05M tokens
- **Input**: $1 / M tokens
- **Output**: $6 / M tokens

## Benchmarks

## Strengths

- The balanced tier: a fifth of Sol's price, same context
- Sensible default for most production work
- Document and image input included

## Weaknesses

- Gives ground to Sol on the hardest reasoning
- Still pricier than Luna for high-volume chat

## Best for

- General-purpose production assistants
- RAG over big corpora
- Coding copilots on a budget

[Compare with other AI models](https://alhertech.com/en/ai-comparison/)