Models/OpenAI/GPT-6.1 Terra Pro

GPT-6.1 Terra Pro

Name: GPT-6.1 Terra Pro API access
Brand: OpenAI

NEW

OpenAI · Proprietary · Released Oct 26, 2026 · openai/gpt-6.1-terra-pro

Best $1.00 in / $5.00 out via OpenAI

Compare Estimate cost

1.05M contextVisionToolsReasoningStructured outputPrompt caching

Available from 3 providersUSD / MTOK · PRICES 29 MINUTES AGO

EST. MONTHLY COSTclick a row for detail · click headers to sort

PROVIDER	INPUT	OUTPUT	CACHE	CONTEXT	QUANT	TTFT	TPS	UPTIME
OpenAIopenai/flexFLEX1ST PARTY	$0.50	$2.50	$0.025	1.05M	—	—	—	—
OpenAIopenai1ST PARTY	$1.00	$5.00	$0.05	1.05M	—	—	—	100.0%
OpenAIopenai/fastPRIORITY1ST PARTY	$2.00	$10.00	$0.10	1.05M	—	—	—	100.0%

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Pricing variants · USD / MTok in / out

STANDARD

$1.00 / $5.00

per MTok in / out

BATCH

$0.50 / $2.50

async batch

CACHE READ $0.05CACHE WRITE $1.25WEB SEARCH $0.01 / search

Recent changesRSS ↗

Oct 27, 2026model added

About

GPT-6.1 Terra Pro is the same underlying model as GPT-6.1 Terra, served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks. **Cost note:** pro mode spends far more...

Specifications

Context window1,050,000

Max output128,000

Modalities infile, image, text

Modalities outtext

LicenseProprietary

ReleasedOct 26, 2026

TokenizerGPT

GPT-6.1 Terra$1.00 / $5.00 GPT-6.1 Sol Pro$2.00 / $10.00 GPT-6.1 Sol$2.00 / $10.00 GPT-6 Luna Pro$0.10 / $0.50

Compare with

GPT-6.1 Terra Pro vs Claude Opus 5.5 GPT-6.1 Terra Pro vs Gemini 3.1 Pro Preview GPT-6.1 Terra Pro vs DeepSeek V4 Pro 0813

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Sources

OpenRouter API29 minutes ago

AGGREGATOR

Verified 29 minutes ago · list prices, not negotiated rates.