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GPT 5.6 Terra Pro API price
openai/gpt-5.6-terra-pro
The cheapest GPT 5.6 Terra Pro API is $1.00/M input at OpenAI (via OpenRouter) - all 2 providers compared below, per 1M tokens.
MidOpenAI1.1M context2 sellers
Input
$1.00
per 1M tokens · OpenAI (via OpenRouter)
up to $2.00
Output
$6.00
per 1M tokens · OpenAI (via OpenRouter)
up to $12.00
Where to buy it
Cheapest GPT 5.6 Terra Pro API providers compared - 2 sellers, from $1.00/M.
| Provider | Input $/M | Output $/M | Cached in | Uptime |
|---|---|---|---|---|
| OpenAI (via OpenRouter) | 1.00cheapest | 6.00 | 0.100 | 99.7% |
| Azure (via OpenRouter) | 2.00 | 12.00 | 0.200 | - |
2.0× between the cheapest and the dearest of 2 sellers.
Against its tier
- This model$7.00
- Cheapest · Nemotron 3 Super 120B A12B$0.485
- Tier median · Grok 4.3 Latest$3.75
- Dearest · GPT 5.5 Cyber$87.50
#23 of 32 mid · cheaper than 29%
Details
- Context window
- 1.1M1,050,000 tokens
- Developer
- OpenAI
- Sellers
- 22.0× spread
- Cheapest at
- OpenAI (via OpenRouter)
- Cached input
- $0.10where the source publishes one
- Combined
- $7.00in + out per 1M
- Last checked
- 2026-08-28
- Availability
- 99.65%median of 3 OpenRouter endpoints, last 30 min