Developers Test GPT-6 Astra's 400K Context Window in Codex

Developer Daniel Mac shared a working configuration enabling GPT-6 Astra's roughly 400K-token context window in Codex, noting no extra charge for long-context usage.

2026-09-09 ~ 2026-09-09 · 2 related posts

• Testing 400K context with GPT-6 Astra in Codex: no extra usage for long input — daniel_mac8 · 2026-09-09
• Testing higher context window limits for Astra in Codex, no extra usage cost — daniel_mac8 · 2026-09-09