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OpenAI: GPT-5.6 Terra Pro (batch) API Pricing
GPT-5.6 Terra Pro is the same underlying model as [GPT-5.6 Terra](https://openrouter.ai/openai/gpt-5.6-terra), served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks. **Cost note:** pro mode spends far more...
How much does OpenAI: GPT-5.6 Terra Pro (batch) cost for a real workload?
At 10M input + 2M output tokens per month, OpenAI: GPT-5.6 Terra Pro (batch) costs about $22 ($10 input + $12 output). Try your own volumes in the cost calculator.
What are cheaper alternatives to OpenAI: GPT-5.6 Terra Pro (batch)?
- Writer: Palmyra X5 — $0.6 in / $6 out per 1M
- OpenAI: GPT-4o (batch) — $1.25 in / $5 out per 1M
- Google: Gemini 4 Argon (batch) — $1 in / $5 out per 1M
- OpenAI: GPT-6.1 Sol Pro (batch) — $1 in / $5 out per 1M
- OpenAI: GPT-6.1 Sol (batch) — $1 in / $5 out per 1M
- Anthropic: Claude Sonnet 5.5 (batch) — $1 in / $5 out per 1M
Compare OpenAI: GPT-5.6 Terra Pro (batch) with other models
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Frequently asked questions
How much does OpenAI: GPT-5.6 Terra Pro (batch) cost?
OpenAI: GPT-5.6 Terra Pro (batch) costs $1 per 1M input tokens and $6 per 1M output tokens (list price, snapshot October 21, 2026). At 10M input + 2M output tokens per month that is about $22.
What is the context window of OpenAI: GPT-5.6 Terra Pro (batch)?
OpenAI: GPT-5.6 Terra Pro (batch) has a context window of 1,050,000 tokens and can return up to 128,000 output tokens per response.
What are cheaper alternatives to OpenAI: GPT-5.6 Terra Pro (batch)?
Cheaper models include Writer: Palmyra X5 ($0.6 in / $6 out), OpenAI: GPT-4o (batch) ($1.25 in / $5 out), Google: Gemini 4 Argon (batch) ($1 in / $5 out). See the full list on this page.
Is OpenAI: GPT-5.6 Terra Pro (batch) free to use?
No. OpenAI: GPT-5.6 Terra Pro (batch) is a paid model at $1 input / $6 output per 1M tokens. 20 free models are listed on the free models page.
Provider: openai · Model ID: openai/gpt-5.6-terra-pro:batch · Modality: text+image+file->text · Price snapshot October 21, 2026, refreshed daily. How we collect prices