GPT-6.1 Terra pricing & price history
GPT-6.1 Terra by OpenAI costs $1.00 per 1M input tokens and $5.00 per 1M output tokens, with a 1.1M token context window. The cheapest provider currently charges $0.50 input / $2.50 output.
Price history
No price changes since tracking began on 2026-10-26. We check every 10 minutes.
Which platform runs GPT-6.1 Terra most reliably
2 platformsBy 30-day real-traffic success rate, OpenAI is the most stable and also the cheapest.
| Platform | Last 30 days | Stability | 24 h | 30 min | |
|---|---|---|---|---|---|
| OpenAI official most stable | Consistently stableavg 100.00% | 100% | 100% | ||
| Azure | Consistently stableavg 100.00% | 100% | 100% |
Success rates come from real API traffic routed to each platform (public OpenRouter data), not our probes; each daily bar is the average of that day's samples. Green ≥ 99.5 %, yellow ≥ 97 %, orange ≥ 90 %, red < 90 %. Updated 2m ago.
Cost calculator
Alternatives to GPT-6.1 Terra
| Model | Input | Output | Context | Intel. | |
|---|---|---|---|---|---|
Kimi K3.1 Pro Moonshot AI | $2.00 | $10.00 | 1M | 46 | compare |
Gemini 4 Argon Google | $2.00 | $10.00 | 1M | 50.4 | compare |
GPT-6.1 Sol OpenAI | $2.00 | $10.00 | 1.1M | 54.5 | compare |
Claude Sonnet 5.5 Anthropic | $2.00 | $10.00 | 1M | 54.2 | compare |
Claude Opus 5.5 Anthropic | $4.00 | $20.00 | 1M | 58.4 | compare |
GPT-6 Astra OpenAI | $10.00 | $50.00 | 1.1M | 56.9 | compare |
Claude Fable 5.1 Anthropic | $10.00 | $50.00 | 1M | 49.7 | compare |
About GPT-6.1 Terra
GPT-6.1 Terra is the mid-tier model in OpenAI's GPT-6.1 series, priced below GPT-6.1 Sol. It is suited for everyday agentic, coding, and writing work, is particularly strong at understanding screenshots...
FAQ
How much does GPT-6.1 Terra cost?
GPT-6.1 Terra by OpenAI costs $1.00 per 1M input tokens and $5.00 per 1M output tokens, with a 1.1M token context window. The cheapest provider currently charges $0.50 input / $2.50 output. A typical request with 2,000 input and 500 output tokens costs about $0.0045.
What is the context window of GPT-6.1 Terra?
GPT-6.1 Terra supports up to 1,050,000 tokens of context and up to 128,000 output tokens per request.
Has GPT-6.1 Terra’s price changed?
No price changes recorded since ModelBank started tracking it on 2026-10-26.
Is GPT-6.1 Terra being deprecated?
No retirement date has been announced for GPT-6.1 Terra as of 2026-10-31.