GPT-6 Astra Pro
OPENAI Developer Architecture Profile
Intelligence (ELO)1462Chatbot Arena Verified
Max Context Limit1,050,000Max Out: 128,000 tokens
Prompt Caching90% OFF$1.00 / 1M cached
Standard API / 1M$60.00🧠 Deep Reasoner
Model Capabilities & Contract SLAs
- Reasoning
- Coding & Logic
- Fictional
- 🧠 Extended Test-Time Reasoning
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. **Cost note:** pro mode spends far more...
Granular Pricing Matrix
Input Tokens (Standard Prompt)$10.00 / 1M
⚡ Cached Input (Prompt Cache Read)90% OFF$1.00 / 1M
Output Tokens (Completion)$50.00 / 1M
Pricing data via OpenRouter. Sync: 10/2/2026
Evaluate Competitors
VS Engine MatchupGPT-6 Astra Pro vs AionLabs: Aion-3.0VS Engine MatchupGPT-6 Astra Pro vs Meta: Muse Spark 1.1VS Engine MatchupGPT-6 Astra Pro vs Z.ai: GLM 5 TurboVS Engine MatchupGPT-6 Astra Pro vs AionLabs: Aion-2.0VS Engine MatchupGPT-6 Astra Pro vs Anthropic: Claude Sonnet 4.6VS Engine MatchupGPT-6 Astra Pro vs Cohere: Command R7B (12-2024)