GPT-5.6 Terra
| Maker | OpenAI |
|---|---|
| Released | 2026-07-09 |
| Context | 1.1M |
| Max output | 128K |
| Open weights | Closed |
| Modalities | text, image, pdf → text |
|---|---|
| Input / 1M | $2.00 |
| Output / 1M | $12.00 |
| Cached input / 1M | $0.20 |
| Above 272K in | $4.00 / $18.00 |
| Review call | $0.0814 |
|---|---|
| Reasoning efforts | low, medium, high, xhigh |
| Hosts | OpenAI, OpenRouter |
| Model id | gpt-5.6-terra |
CodePanel's benchmark has not run GPT-5.6 Terra as a pull-request reviewer yet, so this page has no recall, false-alarm or measured-cost figures for it. The methodology explains how ranked models are scored.
No GPT Terra model is ranked yet. Of OpenAI's ranked models, GPT-6.1 Sol is the closest in list price; it caught 89% [80%–97%] of the known bugs at rank 1 of 17, with a measured review cost of $0.0401. At list price, a typical review call (26.2K tokens in and 2.4K out) costs $0.0814 on GPT-5.6 Terra and $0.0766 on GPT-6.1 Sol, so this model's call is 6% more than that one's.
| Host | Model id | Input / 1M | Output / 1M |
|---|---|---|---|
| OpenAI | gpt-5.6-terra | $2.00 | $12.00 |
Source: OpenAI pricing, Oct 16, 2026
| Model | Maker | Input / 1M | Output / 1M | Review call | Context | Bugs caught |
|---|---|---|---|---|---|---|
| Gemini 3.1 Pro | $2.00 | $12.00 | $0.0814 | 1M | 67% | |
| Claude Sonnet 5.5 | Anthropic | $2.00 | $10.00 | $0.0766 | 1M | 77% |
| Kimi K2.7 Code Highspeed | Moonshot | $1.90 | $8.00 | $0.0691 | 262.1K | – |
| Grok 4.7 | xAI | $2.00 | $6.00 | $0.0669 | 500K | – |
Updated Oct 23, 2026