OpenAIgpt-6.1-terra-pro2026 Frontier

OpenAI: GPT-6.1 Terra Pro API Pricing

GPT-6.1 Terra Pro is the same underlying model as [GPT-6.1 Terra](https://openrouter.ai/openai/gpt-6.1-terra), served with `reasoning.mode` set to `pro` for higher-quality responses on complex task...

Base Input Price$1.00/ 1M tokens

Base Output Price$5.00/ 1M tokens

Prompt Cache Read$0.050-95% discount

Batch API Rate-50%24h async offload

Inference Hosts & Aggregator Providers

Compare rates and latency across direct APIs, OpenRouter, and hyperscale cloud providers

Live verified rates

Provider Name	Input / 1M	Output / 1M	Prompt Caching	Access Endpoint
OpenAI Direct	$1.00	$5.00	Supported	Connect
OpenRouter	$1.00	$5.00	Supported	Connect

Head-to-Head Comparisons for OpenAI: GPT-6.1 Terra Pro

OpenAI: GPT-6.1 Terra Pro vs OpenAI: GPT-6.1 Sol$1/M vs $2/M

OpenAI: GPT-6.1 Terra Pro vs GPT-4o (Omni)$1/M vs $2.5/M

OpenAI: GPT-6.1 Terra Pro vs Claude 3.5 Sonnet$1/M vs $3/M

OpenAI: GPT-6.1 Terra Pro vs DeepSeek-V3 (deepseek-chat)$1/M vs $0.27/M