The Index / NanoGPT / GPT 6 Astra Pro GPT 6 Astra Pro by NanoGPT · family gpt · listed Sep 2026R T V
GPT 6 Astra in Pro reasoning mode. Uses additional model work for difficult tasks, with higher latency and token usage at the same per-token rates. Reasoning effort remains independently configurable.
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 Exp DeepSeek V4 Flash Vision Exp: $0.15 per 1M tokens $0.15 Qwen3.8 Omni Flash Qwen3.8 Omni Flash: $0.15 per 1M tokens $0.15 Gemini 3.8 Flash Gemini 3.8 Flash: $0.75 per 1M tokens $0.75 GLM-5.3 GLM-5.3: $1.40 per 1M tokens $1.40 Claude Sonnet 5.5 Claude Sonnet 5.5: $2.00 per 1M tokens $2.00 GPT-6.1 Sol GPT-6.1 Sol: $2.00 per 1M tokens $2.00 Grok 4.7 Grok 4.7: $2.00 per 1M tokens $2.00 GPT 6 Astra Pro GPT 6 Astra Pro: $10.00 per 1M tokens $10.00 Output price vs. maker flagships ($/1M tokens) Qwen3.8 Omni Flash Qwen3.8 Omni Flash: $0.47 per 1M tokens $0.47 DeepSeek V4 Flash Vision Exp DeepSeek V4 Flash Vision Exp: $0.60 per 1M tokens $0.60 Gemini 3.8 Flash Gemini 3.8 Flash: $3.75 per 1M tokens $3.75 GLM-5.3 GLM-5.3: $4.40 per 1M tokens $4.40 Grok 4.7 Grok 4.7: $6.00 per 1M tokens $6.00 Claude Sonnet 5.5 Claude Sonnet 5.5: $10.00 per 1M tokens $10.00 GPT-6.1 Sol GPT-6.1 Sol: $10.00 per 1M tokens $10.00 GPT 6 Astra Pro 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 text, image, pdf
Output modalities text
Reasoning yes
Tool calls yes
Open weights no
Knowledge cutoff —
Released 2026-09-04
Last updated 2026-09-04 ← All NanoGPT listings