OpenAI: GPT 5.6 Terra (Fast)
Balanced GPT-5.6 model for capable, cost-efficient everyday work
Cheapest input
$4
$/MTok · models.dev
Cheapest output
$24
$/MTok
Context
1.1M
tokens
Sources
1
1 listing
Sources
Same model, different sources. Our first-party rate is listed first, then router and aggregator rows stay separate so you can see the spread instead of a single blended number.
| Source | Provider | Input | Output | Cache read | Context |
|---|---|---|---|---|---|
| models.devcheapestopenai/gpt-5.6-terra-fast | Vercel AI Gateway | $4 | $24 | $0.4 | 1.1M |
Capabilities
- Reasoning
- Tool calling
- Structured output
- Attachments
- In: text
- In: image
- In: pdf
- Out: text
Knowledge cutoff: 2026-02-16Released: 2026-07-09Family: gpt-terra
See what this model costs you
The app reads the sessions your tools already wrote and prices this model's tokens at the published API rate. Free on your computer.