GPT-6 Astra
#120 in Frontier LLMsUnknown · v6 · astra · since 2026-09-03 · 2× · last seen Nov 04, 2026
16
Momentum
GPT-6 Astra is a proprietary frontier language model from OpenAI, unveiled and initially released as a limited preview on September 3, 2026. According to OpenAI, it is designed for complex work such as computer use, coding and cybersecurity. Access is via the OpenAI API (gpt-6-astra), ChatGPT plans, and Microsoft Azure and AWS Bedrock.
Momentum trend
07.08.05.11.
Features
| Key Benchmark (%) | OSWorld 2.0: 72.6% |
| Context Window (Tokens) | 1,050,000 input tokens, up to 128,000 output tokens |
| License | Proprietary |
| Multimodality | Input: text, image, file; output: text |
| Platform | OpenAI API (gpt-6-astra), ChatGPT, Codex, Microsoft Azure, AWS Bedrock |
| Price per 1M Tokens | $10 input / $50 output (cached input $1) |
| Release Date | September 3, 2026 (limited preview); general availability September 4, 2026 |