Home › Compare › OpenAI: GPT-6.1 Terra vs OpenAI: GPT-6.1 Terra Pro
OpenAI: GPT-6.1 Terra vs OpenAI: GPT-6.1 Terra Pro: API Pricing Compared
Comparing OpenAI: GPT-6.1 Terra and OpenAI: GPT-6.1 Terra Pro: on combined input+output list price, OpenAI: GPT-6.1 Terra is cheaper at $6 vs $6 per 1M tokens — a difference of $0 (free) (0%). OpenAI: GPT-6.1 Terra costs $1 in / $5 out with a 1,050,000-token context; OpenAI: GPT-6.1 Terra Pro costs $1 in / $5 out with a 1,050,000-token context.
| OpenAI: GPT-6.1 Terra | OpenAI: GPT-6.1 Terra Pro | |
|---|---|---|
| Input /1M | $1 | $1 |
| Output /1M | $5 | $5 |
| Cached input /1M | $0.05 | $0.05 |
| Context window | 1,050,000 | 1,050,000 |
| Max output tokens | 128,000 | 128,000 |
| Cost @ 10M in + 2M out / mo | $20 | $20 |
Estimate your own workload in the cost calculator, or open the full pages for OpenAI: GPT-6.1 Terra and OpenAI: GPT-6.1 Terra Pro.
Frequently asked questions
Which is cheaper, OpenAI: GPT-6.1 Terra or OpenAI: GPT-6.1 Terra Pro?
OpenAI: GPT-6.1 Terra is cheaper on combined list price: $6 vs $6 per 1M tokens (input + output). At 10M input + 2M output tokens per month, OpenAI: GPT-6.1 Terra costs $20 and OpenAI: GPT-6.1 Terra Pro costs $20.
Which has the larger context window, OpenAI: GPT-6.1 Terra or OpenAI: GPT-6.1 Terra Pro?
OpenAI: GPT-6.1 Terra has a context window of 1,050,000 tokens; OpenAI: GPT-6.1 Terra Pro has 1,050,000 tokens. The larger one is OpenAI: GPT-6.1 Terra.
Price snapshot October 28, 2026, refreshed daily.