Models/OpenAI/GPT-6 Astra Pro

GPT-6 Astra Pro

Name: GPT-6 Astra Pro API access
Brand: OpenAI

NEW

OpenAI · Proprietary · Released Sep 4, 2026 · openai/gpt-6-astra-pro

Best $10.00 in / $50.00 out via OpenAI

Compare Estimate cost

1.05M contextVisionToolsReasoningStructured outputPrompt caching

Available from 5 providersUSD / MTOK · PRICES 17 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	$5.00	$25.00	$0.50	1.05M	—	—	—	100.0%
OpenAIopenai1ST PARTY	$10.00	$50.00	$1.00	1.05M	—	—	—	93.1%
Azureazure	$10.00	$50.00	$1.00	1.05M	—	—	—	99.8%
Azureazure/us	$11.00	$55.00	$1.10	1.05M	—	—	—	100.0%
OpenAIopenai/fastPRIORITY1ST PARTY	$20.00	$100.00	$2.00	1.05M	—	—	—	—

Pricing variants · USD / MTok in / out

STANDARD

$10.00 / $50.00

per MTok in / out

BATCH

$5.00 / $25.00

async batch

CACHE READ $1.00CACHE WRITE $12.50WEB SEARCH $0.01 / search

Recent changesRSS ↗

Sep 5, 2026model added

About

GPT-6 Astra Pro is the same underlying model as GPT-6 Astra, 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

Specifications

Context window1,050,000

Max output128,000

Modalities infile, image, text

Modalities outtext

LicenseProprietary

ReleasedSep 4, 2026

TokenizerGPT

GPT-6 Astra$10.00 / $50.00 GPT-5.6 Luna Pro$0.20 / $1.20 GPT-5.6 Luna$0.20 / $1.20 GPT-5.6 Terra Pro$2.00 / $12.00

Compare: GPT-6 Astra Pro vs GPT-6 Astra

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[![GPT-6 Astra Pro](https://modelindex.ai/badge/openai/gpt-6-astra-pro)](https://modelindex.ai/models/openai/gpt-6-astra-pro)

Sources

OpenRouter API17 minutes ago

AGGREGATOR

Verified 17 minutes ago · list prices, not negotiated rates.