OpenAI model
GPT-6.1 Terra Pro API cost calculator
GPT-6.1 Terra Pro costs $1 per 1M input tokens and $5 per 1M output tokens on the OpenAI API, with a 1.1M-token context window. A typical request (2K input, 500 output tokens) costs $0.0045 — about $135/month at 1,000 requests per day. Use the calculator below to model your exact workload.
Find me a cheaper modelWhat real workloads cost on GPT-6.1 Terra Pro
| Workload | Tokens (in / out) | Per request | Per 1K requests |
|---|---|---|---|
| Chatbot message | 500 / 300 | $0.0020 | $2.00 |
| RAG query with context | 4,000 / 500 | $0.0065 | $6.50 |
| Document summarization | 20,000 / 1,000 | $0.03 | $25.00 |
| Agent coding session | 100,000 / 5,000 | $0.13 | $125 |
GPT-6.1 Terra Pro vs other OpenAI models
| Model | Input /1M | Output /1M | Context |
|---|---|---|---|
| GPT-6.1 Terra Pro | $1 | $5 | 1.1M |
| GPT-6.1 Terra | $1 | $5 | 1.1M |
| GPT-6.1 Sol Pro | $2 | $10 | 1.1M |
| GPT-6.1 Sol | $2 | $10 | 1.1M |
| GPT-6 Luna Pro | $0.10 | $0.50 | 1.1M |
Frequently asked questions
How much does GPT-6.1 Terra Pro cost per 1M tokens?
According to current pricing data, GPT-6.1 Terra Pro costs $1 per 1M input tokens and $5 per 1M output tokens. Processing 1M tokens each way costs $6.00.
What does a typical API request to GPT-6.1 Terra Pro cost?
A typical request with 2,000 input tokens and 500 output tokens costs $0.0045. At 1,000 requests per day that is $4.50 daily, or about $135 per month.
What is GPT-6.1 Terra Pro's context window?
GPT-6.1 Terra Pro supports a 1.1M-token context window (1,050,000 tokens).
Does GPT-6.1 Terra Pro support prompt caching?
Yes. Cached input tokens cost $0.05 per 1M — a 95% discount versus the standard input rate, which matters for agents and chat apps that resend the same system prompt.
What is a cheaper alternative to GPT-6.1 Terra Pro?
gpt-oss-20b from OpenAI is currently the cheapest comparable option at $0.02 per 1M input tokens versus $1 for GPT-6.1 Terra Pro — roughly 56x cheaper on input.
Prices may differ from OpenAI's official pricing page for batch, tiered, or fine-tuned usage. Compare all current prices on the live model pricing dashboard, see GPT-6.1 Terra Pro vs gpt-oss-20b pricing, or run GPT-6.1 Terra Pro head-to-head against other models in the side-by-side comparison playground.
Pricing data via the OpenRouter models API.