GPT-6.1 Terra Pricing
$1.0 per 1M input and $5.0 per 1M output. Free tier: No free tier.
Cost Calculator
Estimated cost:
Full Pricing Matrix
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| Tier | Input | Output | Unit | Cache Read |
|---|---|---|---|---|
| standard | $1.0 | $5.0 | /1M tok | $0.05 |
| batch | $0.5 | $2.5 | /1M tok | — |
Price History
2026-10-27
GPT-6.1 Terra added ($1/$5)
About GPT-6.1 Terra
New mid-tier GPT-6.1 model at $1/$5 — positioned between Sol ($2/$10) and Luna ($0.10/$0.50).
- Cached input $0.05/1M
- Batch API: 50% off ($0.50/$2.50)
- Half the price of 6.1 Sol
- 10x more expensive than Luna
- Prices from developers.openai.com
Frequently Asked Questions
How much does GPT-6.1 Terra cost?
$1.00 per 1M input and $5.00 per 1M output.
How does Terra compare to Sol and Luna?
Terra ($1/$5) sits between Sol ($2/$10) and Luna ($0.10/$0.50). Half of Sol, 10x Luna.
When was GPT-6.1 Terra released?
Appeared on OpenAI's pricing page in late October 2026.