GPT-5.6 Terra Pro (batch)

OPENAI Developer Architecture Profile

Intelligence (ELO)1506Chatbot Arena Verified

Max Context1,050,000Tokens

API Cost / 1M$7.00Blended Prompt + Completion

Model Capabilities

Coding & Logic
Fictional

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. Learn more in OpenAI's docs: https://developers.openai.com/api/docs/guides/reasoning#reasoning-mode

Granular Pricing Matrix

Input Tokens (Prompt)$1.00 / 1M

Output Tokens (Completion)$6.00 / 1M

Pricing data via OpenRouter. Sync: 8/6/2026

Evaluate Competitors

VS Engine MatchupGPT-5.6 Terra Pro (batch) vs Google: Nano Banana 2 (Gemini 3.1 Flash Image)VS Engine MatchupGPT-5.6 Terra Pro (batch) vs OpenAI: GPT-5.3-Codex VS Engine MatchupGPT-5.6 Terra Pro (batch) vs OpenAI: GPT-5.2-Codex VS Engine MatchupGPT-5.6 Terra Pro (batch) vs OpenAI: GPT-5.1-Codex-Max VS Engine MatchupGPT-5.6 Terra Pro (batch) vs OpenAI: GPT-5.6 Sol VS Engine MatchupGPT-5.6 Terra Pro (batch) vs OpenAI: GPT-4o (2024-08-06)