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openai/codex

View on GitHub ↗ ★ 132,828 Rust

Lightweight coding agent that runs in your terminal

220 mentions on Hacker News by 164 people: 64 stories, 156 comments · first 2025-04-16 · latest 2026-10-27

Mentions per year 220 mentions · busiest year 2026 (153)
20082026
AllStoriesComments NewestTopOldest
  1. ▲ 176
    Codex Desktop continuously generates Crashpad pending dumps
    story by AIorNot · 2026-10-17 · 89 comments
  2. ▲ 2
    Codex: Unexplained cleanup `blocked by policy` despite effective Full Access
    story by user2387463 · 2026-10-16 · 0 comments
  3. ▲ 610
    Codex CLI installs a persistent, self-updating background daemon by default
    story by whimblepop · 2026-10-12 · 294 comments
  4. ▲ 4
    Codex Instant Interrupts
    story by armcat · 2026-10-08 · 0 comments
  5. ▲ 102
    Codex outage
    story by armcat · 2026-09-03 · 1 comment
  6. ▲ 2
    Data Exfil: OpenAI polices private chats exfiltrated through Codex Memories
    story by tmpnode · 2026-08-30 · 1 comment
  7. ▲ 1
    Can a harness have a true deterministic scheduler and task orchestrator?
    story by hmokiguess · 2026-08-28 · 1 comment
  8. ▲ 2
    OpenAI Codex adds hidden "Daybreak Blue" and "Daybreak Red" cybersecurity models
    story by bakigul · 2026-08-21 · 1 comment
  9. ▲ 148
    Codex on AWS bedrock bug causing 10x charges
    story by TheP1000 · 2026-08-21 · 66 comments
  10. ▲ 1
    CodeX v0.148.0 cannot use GPT-5.6 Sol
    story by linzhangrun · 2026-08-19 · 1 comment
  11. ▲ 2
    Codex adds experimental thread/revert support
    story by bakigul · 2026-08-13 · 1 comment
  12. ▲ 3
    Codex app for macOS repeatedly triggers syspolicyd/trustd CPU and memory runaway
    story by enraged_camel · 2026-07-19 · 2 comments
  13. ▲ 371
    OpenAI reduces Codex Model Context Size from 372k to 272k
    story by AmazingTurtle · 2026-07-19 · 166 comments
  14. ▲ 3
    High GPU usage while Codex app is "thinking" due to tiny useless animation
    story by jeromechoo · 2026-07-15 · 1 comment
  15. ▲ 425
    Codex starts encrypting sub-agent prompts
    story by embedding-shape · 2026-07-14 · 249 comments
  16. ▲ 3
    Codex GPT 5.6 Sol Reduced to 258K Context Window
    story by ex1box · 2026-07-13 · 0 comments
  17. ▲ 6
    Tell HN: The Codex App is replaced by ChatGPT
    story by vintagedave · 2026-07-13 · 4 comments
  18. ▲ 3
    Codex now encrypts messages passed to subagents
    story by gck1 · 2026-07-11 · 0 comments
  19. ▲ 3
    Codex ticket: first-class Jujutsu support
    story by xlii · 2026-07-05 · 1 comment
  20. ▲ 372
    GPT-5.5 Codex reasoning-token clustering may be leading to degraded performance
    story by maille · 2026-07-04 · 152 comments
  21. ▲ 13
    Codex reasoning-token clustering at 516 may be leading to degraded performance
    story by 0x_rs · 2026-07-01 · 2 comments
  22. ▲ 4
    macOS: Code_sign_clone grows unbounded (62 GB+) across Codex auto-updates
    story by ValentineC · 2026-06-30 · 0 comments
  23. ▲ 227
    A way to exclude sensitive files issue still open for OpenAI Codex
    story by pikseladam · 2026-06-28 · 143 comments
  24. ▲ 2
    GPT-5.6 family added to codex
    story by FergusArgyll · 2026-06-28 · 2 comments
  25. ▲ 1
    GPT-5.6 leaks in Codex PR
    story by denysvitali · 2026-06-23 · 0 comments
  26. ▲ 510
    Codex logging bug may write TBs to local SSDs
    story by vantareed · 2026-06-22 · 271 comments
  27. ▲ 7
    Codex (GPT-5.5, Plus plan) – rate-limit cost per token jumped 10x+ since June 16
    story by e2e4 · 2026-06-20 · 5 comments
  28. ▲ 3
    Codex is flagged as malware on macOS
    story by vldszn · 2026-05-23 · 3 comments
  29. ▲ 2
    OpenAI intentionally removed Codex's visible context usage indicator
    story by gobdovan · 2026-05-22 · 1 comment
  30. ▲ 1
    Business and Enterprise Codex plans now default to Fast Mode (2.5x usage)
    story by ladon86 · 2026-04-29 · 0 comments
  31. ▲ 6
    A GPT-5.4 bug led to OpenAI banning goblins and raccoons
    story by prabal97 · 2026-04-29 · 1 comment
  32. ▲ 4
    OpenAI Codex Compaction Failing
    story by obahareth · 2026-04-14 · 1 comment
  33. ▲ 1
    OpenAI Codex Telepathy feature flag: sidecar for passive screen-context memories
    story by matthieu_bl · 2026-04-14 · 0 comments
  34. ▲ 3
    Codex GUI's spinner uses 70% of GPU
    story by Einenlum · 2026-04-11 · 1 comment
  35. ▲ 3
    Burning Tokens Fast
    story by 0x1997 · 2026-04-01 · 0 comments
  36. ▲ 2
    Updating Codex Contribution Guidelines
    story by kator · 2026-03-03 · 1 comment
  37. ▲ 3
    Tell HN: OpenAI has been silently routing GPT-5.3-Codex requests to GPT-5.2
    story by prodigycorp · 2026-02-15 · 0 comments
  38. ▲ 5
    Ask HN: GPT-5.3-Codex being silently routed to GPT-5.2?
    story by tardis_thad · 2026-02-12 · 3 comments
  39. ▲ 4
    GPT-5.3-Codex being silently routed to GPT-5.2
    story by tardis_thad · 2026-02-12 · 1 comment
  40. ▲ 1
    Codex 0.100.0
    story by tosh · 2026-02-12 · 0 comments
  41. ▲ 77
    GPT-5.3-Codex being routed to GPT-5.2
    story by cactusplant7374 · 2026-02-11 · 30 comments
  42. ▲ 4
    Personality should be an Option that you can set to None
    story by tosh · 2026-02-05 · 0 comments
  43. ▲ 2
    OpenAI Codex 0.93 adds SQLite backed log database
    story by tosh · 2026-01-31 · 0 comments
  44. ▲ 6
    Ask HN: Is Codex login down for all workspace (non-personal) users?
    story by amluto · 2026-01-15 · 2 comments
  45. ▲ 1
    OpenAI Codex team refuses to add hooks to Codex CLI
    story by behnamoh · 2026-01-14 · 3 comments
  46. ▲ 1
    Codex reads files outside working directory without my permission
    story by thomas34298 · 2026-01-07 · 0 comments
  47. ▲ 1
    Ask HN: Are Google Search AI hallucinations common?
    story by blutoot · 2025-12-31 · 0 comments
  48. ▲ 2
    Codex Skills
    story by geri4 · 2025-12-02 · 0 comments
  49. ▲ 3
    OpenAI Codex: Weekly usage limit refresh dates seem to be variable
    story by wahnfrieden · 2025-11-29 · 1 comment
  50. ▲ 2
    OpenAI Codex Plan / Spec Mode – We'd Love Your Input
    story by wahnfrieden · 2025-11-28 · 0 comments