codex cli Pro 20x account unusable in Codex and Work

What version of Codex CLI is running?

(v0.153.4)

What subscription do you have?

(Pro) 20X

Which model were you using?

gpt 6/gpt 5.6/gpt5.5

What platform is your computer?

linux

What terminal emulator and version are you using (if applicable)?

No response

Codex doctor report

Environment
  ✓ system       C
      os                       Ubuntu 22.4.0 (jammy) [64-bit]
      OS language              C
      LANG                     C.UTF-8
      VISUAL                   not set
      EDITOR                   not set
  ✓ disk         sufficient free disk space (83.0 GiB)
      warning threshold        5.0 GiB
      failure threshold        1.0 GiB
      CODEX_HOME available     908.8 GiB
      worktree available       83.0 GiB
  ✓ security     endpoint protection is not inspected on this platform
      endpoint products        not inspected on this platform
  ✓ runtime      standalone (unix, package /home/keane/.codex/packages/standalone/releases/0.153.4-x86_64-unknown-linux-musl, bin /home/keane/.codex/packages/standalone/releases/0.153.4-x86_64-unknown-linux-musl/bin, resources /home/keane/.codex/packages/standalone/releases/0.153.4-x86_64-unknown-linux-musl/codex-resources, path /home/keane/.codex/packages/standalone/releases/0.153.4-x86_64-unknown-linux-musl/codex-path)
      version                  0.153.4
      install method           standalone (unix, package /home/keane/.codex/packages/standalone/releases/0.153.4-x86_64-unknown-linux-musl, bin /home/keane/.codex/packages/standalone/releases/0.153.4-x86_64-unknown-linux-musl/bin, resources /home/keane/.codex/packages/standalone/releases/0.153.4-x86_64-unknown-linux-musl/codex-resources, path /home/keane/.codex/packages/standalone/releases/0.153.4-x86_64-unknown-linux-musl/codex-path)
      commit                   unknown
      executable               ~/.codex/packages/standa…wn-linux-musl/bin/codex
  ✓ install      consistent
      context                  standalone (unix, package /home/keane/.codex/packages/standalone/releases/0.153.4-x86_64-unknown-linux-musl, bin /home/keane/.codex/packages/standalone/releases/0.153.4-x86_64-unknown-linux-musl/bin, resources /home/keane/.codex/packages/standalone/releases/0.153.4-x86_64-unknown-linux-musl/codex-resources, path /home/keane/.codex/packages/standalone/releases/0.153.4-x86_64-unknown-linux-musl/codex-path)
      managed by               npm: no · bun: no · pnpm: no · Vite+: no · package root —
      PATH entries (6)         ~/.local/bin/codex
                               ~/.local/bin/codex
                               ~/.local/bin/codex
                               … (full list with --all)
  ✓ search       file exists (bundled, /home/keane/.codex/packages/standalone/releases/0.153.4-x86_64-unknown-linux-musl/codex-path/rg)
      search command           ~/.codex/packages/standa…inux-musl/codex-path/rg
      search provider          bundled
      search command readiness file exists
  ✓ git          git version 2.34.1
      selected git             /usr/bin/git
      version                  git version 2.34.1
      exec path                /usr/lib/git-core
      repo detected            true
      repo root                /mnt/d/blueturm/DeHeWei_…12_S5207_20260901_trip3
      .git entry               directory
      branch                   main
      PATH entries (2)         /usr/bin/git
                               /bin/git
  ✓ terminal     unknown · TERM=xterm-256color
      terminal                 unknown
      TERM                     xterm-256color
      stdin is terminal        true
      stdout is terminal       true
      stderr is terminal       true
      terminal size            124x30
      color output             enabled
      effective locale         C.UTF-8
      WSL_DISTRO_NAME          present
      WSL_INTEROP              present
      WAYLAND_DISPLAY          present
      DISPLAY                  present
  ✓ title        default · project SDK_AB5800_SOUNDBAR_V...
      title source             default
      title items              activity, project-name
      activity item            true
      project source           git repo root
      project value            SDK_AB5800_SOUNDBAR_V...
  ✓ state        databases healthy
      CODEX_HOME               ~/.codex (dir)
      log dir                  ~/.codex/log (dir)
      sqlite home              ~/.codex (dir)
      state DB                 ~/.codex/state_5.sqlite (file) · integrity ok
      log DB                   ~/.codex/logs_2.sqlite (file) · integrity ok
      goals DB                 ~/.codex/goals_1.sqlite (file) · integrity ok
      memories DB              ~/.codex/memories_1.sqlite (file) · integrity ok
      active rollouts          142 files · 679.09 MB (avg 4.78 MB)
      archived rollouts        0 files · 0 B (avg 0 B)
      queue DB                 ~/.codex/queue_1.sqlite (file)
      queue DB integrity       ok
      thread history DB        ~/.codex/thread_history_1.sqlite (file)
      thread history DB integrity ok
      standalone release cache 11 entries in /home/keane/.codex/packages/standalone/releases
  ✓ threads      rollout files and state DB thread inventory agree
      default model provider   openai
      rollout DB active files  142
      rollout DB archived files 0
      rollout DB scan errors   0
      rollout DB malformed file names 0
      rollout DB scan cap reached false
      rollout DB rows          142
      rollout DB active rows   142
      rollout DB archived rows 0
      rollout DB missing active rows 0
      rollout DB missing archived rows 0
      rollout DB stale rows    0
      rollout DB archive mismatches 0
      rollout DB duplicate rollout thread ids 0
      rollout DB duplicate DB paths 0
      rollout DB model providers openai=142
      rollout DB sources       cli=115, subagent:thread_spawn=24, exec=2, subagent:review=1

Configuration
  ✓ config       loaded
      model                    gpt-5.5 · openai
      cwd                      /mnt/d/blueturm/DeHeWei_…12_S5207_20260901_trip3
      config.toml              ~/.codex/config.toml
      config.toml parse        ok
      MCP servers              2
      feature flags            47 enabled · 0 overridden (full list with --all)
  ✓ auth         auth is configured
      auth storage mode        File
      auth file                ~/.codex/auth.json
      stored auth mode         chatgpt
      stored API key           false
      stored ChatGPT tokens    true
      stored agent identity    false
  ✓ mcp          2 server (2 streamable_http) · 0 disabled
      configured servers       2
      disabled servers         0
      streamable_http servers  2
  ✓ sandbox      restricted fs + restricted network · approval OnRequest
      approval policy          OnRequest
      filesystem sandbox       restricted
      network sandbox          restricted
      linux helper             ~/.codex/tmp/arg0/codex-…hDI/codex-linux-sandbox
      execve wrapper helper    ~/.codex/tmp/arg0/codex-…DI/codex-execve-wrapper

Updates
  ✓ updates      update configuration is locally consistent
      startup update check     true
      update action            standalone installer
      version cache            ~/.codex/version.json
      cached latest version    0.153.4
      last checked at          2026-09-07 07:36 UTC
      latest version           0.153.4
      latest version status    current version is not older

Connectivity
  ✓ network      no proxy env vars
      proxy env vars           none
      respect system proxy     disabled
      managed proxy            not configured
  ✓ websocket    connected (HTTP 101 Switching Protocols) · 15s timeout
      model provider           openai
      provider name            OpenAI
      wire API                 responses
      supports websockets      true
      proxy env vars           none
      connect timeout          15000 ms
      auth mode                chatgpt
      endpoint                 wss://chatgpt.com/backend-api/<redacted>
      DNS                      2 IPv4, 2 IPv6, first IPv4
      handshake result         HTTP 101 Switching Protocols
      reasoning header         false
      server model present     false
  ✓ reachability active provider endpoints are reachable over HTTP
      reachability mode        ChatGPT auth
      ChatGPT inference URL    https://chatgpt.com/backend-api/<redacted> reachable (HTTP 405)

Background Server
  ○ app-server   not running (ephemeral mode)
      daemon state dir         ~/.codex/app-server-daemon
      settings                 ~/.codex/app-server-daemon/settings.json (missing)
      pid file                 ~/.codex/app-server-daemon/app-server.pid (missing)
      update-loop pid file     ~/.codex/app-server-daem…/app-server-updater.pid (missing)
      control socket           ~/.codex/app-server-cont…app-server-control.sock
      status                   not running
      mode                     ephemeral

─────────────────────────────────────────────────────────────
19 ok · 1 idle · 0 warn · 0 fail ok

--summary compact output   --all expand truncated lists
--json redacted report

What issue are you seeing?

Selected model is at capacity. Please try a different model.

What steps can reproduce the bug?

Uploaded thread: 01a07ef2-cca2-77a0-9ae9-4e9c9d17d211

What is the expected behavior?

No response

Additional information

No response

Start by reviewing the uploaded thread 01a07ef2-cca2-77a0-9ae9-4e9c9d17d211 and reproducing the selected-model capacity error with the reported Pro 20X account. Done means the account can use Codex and Work without incorrectly receiving “Selected model is at capacity,” with the expected behavior documented and verified.