Monday, October 5, 2026 · No. 435Prices synced 7 hours ago
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The AI Model Price Index

OpenAI: GPT-6 Astra Pro ($$$$)

by Kilo Gateway · family gpt · listed Sep 2026RTV

GPT-6 Astra Pro is the same underlying model as [GPT-6 Astra](https://openrouter.ai/openai/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

Current rates USD per 1M tokens

Input$10.00
Output$50.00
Cache read$1.00
Cache write$12.50

Against the market

Input price vs. maker flagships ($/1M tokens)
DeepSeek V4 Flash Vision ExpDeepSeek V4 Flash Vision Exp: $0.15 per 1M tokens$0.15Qwen3.8 Omni FlashQwen3.8 Omni Flash: $0.15 per 1M tokens$0.15Gemini 3.8 FlashGemini 3.8 Flash: $0.75 per 1M tokens$0.75GLM-5.3GLM-5.3: $1.40 per 1M tokens$1.40Claude Sonnet 5.5Claude Sonnet 5.5: $2.00 per 1M tokens$2.00GPT-6.1 SolGPT-6.1 Sol: $2.00 per 1M tokens$2.00Grok 4.7Grok 4.7: $2.00 per 1M tokens$2.00OpenAI: GPT-6 Astra Pro ($$$$)OpenAI: GPT-6 Astra Pro ($$$$): $10.00 per 1M tokens$10.00
Output price vs. maker flagships ($/1M tokens)
Qwen3.8 Omni FlashQwen3.8 Omni Flash: $0.47 per 1M tokens$0.47DeepSeek V4 Flash Vision ExpDeepSeek V4 Flash Vision Exp: $0.60 per 1M tokens$0.60Gemini 3.8 FlashGemini 3.8 Flash: $3.75 per 1M tokens$3.75GLM-5.3GLM-5.3: $4.40 per 1M tokens$4.40Grok 4.7Grok 4.7: $6.00 per 1M tokens$6.00Claude Sonnet 5.5Claude Sonnet 5.5: $10.00 per 1M tokens$10.00GPT-6.1 SolGPT-6.1 Sol: $10.00 per 1M tokens$10.00OpenAI: GPT-6 Astra Pro ($$$$)OpenAI: GPT-6 Astra Pro ($$$$): $50.00 per 1M tokens$50.00

On the record

Model id
openai/gpt-6-astra-pro
Context window
1.1M tokens
Max output
128K tokens
Input modalities
pdf, image, text
Output modalities
text
Reasoning
yes
Tool calls
yes
Open weights
no
Knowledge cutoff
—
Released
2026-09-04
Last updated
2026-09-04
Provider docs
kilo.ai

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