Agents' Last Exam: frontier agents pass 2.6% of the hardest economically-valuable tasks.

Shared entities / Shared topic / What happened next / Tension

Codex on GPT-5.5 tops Terminal-Bench 2.1 at 83.4%, but the top Claude config is export-banned.

Both cover Bench, Codex, GPT, Terminal; overlapping topics (agent, codex, gpt-5); picks up the Bench thread on 2026-06-19.

Shared entities / Shared topic / Earlier coverage / Tension

GPT-5.5 Is Here. It's Fast, It's Expensive, and It Changes How You Prompt.

Both cover Bench, Codex, GPT, Terminal; overlapping topics (gpt-5, task); earlier Bench coverage from 2026-04-25.

Shared entities / Shared topic / Earlier coverage

Codex CLI on GPT-5.5 tops Terminal-Bench 2.1 at 83.4%.

Both cover Bench, Codex, GPT, Terminal; overlapping topics (codex, gpt-5); earlier Bench coverage from 2026-06-12.

GPT-5.5 powers Codex: 82.7% Terminal-Bench 2.0, native Windows, 2x Pro usage through May.

Both cover Bench, Codex, GPT, Terminal; overlapping topics (codex, gpt-5); earlier Bench coverage from 2026-05-11.

Shared entities / Shared topic / Earlier coverage / Tension

Kimi K2.6: A 1-Trillion-Parameter Open-Weights Model Just Beat GPT-5.4 on SWE-Bench Pro

Both cover Bench, GPT, Terminal; overlapping topics (agent, frontier, gpt-5); earlier Bench coverage from 2026-04-21.

GPT-5.4 Launches with Native Computer Use and 1M Context.

Both cover Built, Codex, GPT; overlapping topics (codex, gpt-5); earlier Built coverage from 2026-03-08.

Shared entities / Shared topic / Earlier coverage

Windsurf Wave 13: SWE-1.5 Free + Five Parallel Agents via Git Worktrees.

Both cover Bench, Codex, GPT; overlapping topics (agent, codex, gpt-5); earlier Bench coverage from 2026-03-23.

Shared entities / Shared topic / Earlier coverage / Tension

GPT-5.3-Codex Rollout Paused Due to Infrastructure Failure

Both cover Codex, GPT; overlapping topics (agent, back, codex, gpt-5); earlier Codex coverage from 2026-02-17.