OpenAI’s Agents API has no fee, no ZDR and a one hour sandbox clock
OpenAI's Agents API puts the Codex harness behind one API call, with no fee of its own. The bill is tokens, tools and sandbox minutes, and the fine print is ...
Tag: GPT-6 Astra
SWE-2 trails Fable 5.1 by one point, and by 28 on Terminal-Bench 4
Cognition shipped SWE-2 on 10 September 2026, a Kimi K3 post-trained with RL. It sits one point under Fable 5.1 on Cognition's own benchmark and at less than half of ...
OpenAI’s 3.1 agent-workdays per human day is not a 3.1x gain
OpenAI published its research acceleration numbers on 6 September. The ratio is real, the crossover happened in June 2026, and the post itself explains why 3.1 is not a productivity ...