OpenAI: GPT-6.1 Terra Pro (batch) by OpenAI — $0.500 input / $2.50 output per 1M tokens via OpenRouter. Context: 1.1M tokens. Pricing last updated Oct 29, 2026.
| Usage | Daily | Monthly |
|---|---|---|
| Chatbot (100/day) | $0.338 | $10.12 |
| Small app (1K/day) | $1.75 | $52.50 |
| Mid-scale (10K/day) | $22.50 | $675.00 |
| Large scale (100K/day) | $500.00 | $15000.00 |
openai/gpt-6.1-terra-pro:batchOpenAI: GPT-6.1 Terra Pro (batch) is an LLM developed by OpenAI. Input costs $0.500 per million tokens and output costs $2.50 per million tokens via OpenRouter. It supports a context window of 1.1M tokens.
Via the OpenRouter API:
A token is roughly 0.75 words. For context: a typical user message of 100 words is approximately 133 tokens; a 500-word system prompt is about 650 tokens.
For a typical chatbot application (1,000 requests/day, 1,000 prompt tokens and 500 output tokens per request):
OpenRouter provides a unified API for 200+ LLMs including OpenAI: GPT-6.1 Terra Pro (batch). You can use it with any OpenAI-compatible SDK by setting the base URL to https://openrouter.ai/api/v1 and using your OpenRouter API key. The model ID is openai/gpt-6.1-terra-pro:batch.
Use the AI Model Cost Comparison tool to compare OpenAI: GPT-6.1 Terra Pro (batch) against GPT-4o, Claude 3.5 Sonnet, Gemini 1.5 Pro, or any other model side by side. Or use the LLM API Cost Calculator to browse all 456+ models sorted by cost for your specific usage.
openai/gpt-6.1-terra-pro:batch. OpenRouter provides a unified API compatible with OpenAI's SDK format.