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Codex CLI 0.157.0 vs Copilot Fusion: which delivered after 7 days?
Codex CLI 0.157.0 is stamped Partly; Copilot Fusion is still Too early to call, so this comparison isn't settled yet.
| Codex CLI 0.157.0 | Copilot Fusion | |
|---|---|---|
| Verdict | Partly | Too early |
| Claims held | 0 | 0 |
| Claims mixed | 1 | 2 |
| Claims failed | 0 | 0 |
| Claims unclear | 3 | 1 |
| User reports | 6 | 2 |
| Launched | 25 Sept 2026 | 28 Oct 2026 |
| Last stamped | 22 Oct 2026 | 30 Oct 2026 |
No. 003 · OpenAI
Codex CLI 0.157.0
It shipped, but the new background server broke startup for some Windows and Arch Linux users and left a self-updating process running that CLI users did not ask for.
- Launched
- 25 Sept 2026
- Stamped
- 22 Oct 2026
- Claims
- ✓0 held · ~1 mixed · ✗0 failed · ?3 unclear
- Reports
- 6 (0 praise · 6 problem · 0 mixed)
What they claimed
“Enabled automatic background-server startup for eligible interactive sessions, with recovery choices when server settings are incompatible.”~ Mixed
“Added GPT-6 Sol and Luna, including Amazon Bedrock support and migration prompts for older models.”? Unclear
“Fixed configured proxy routing for realtime connections and standalone web search, including search redirects.”? Unclear
“Added retries for transient file-upload failures and increased the upload timeout to five minutes.”? Unclear
No. 015 · GitHub
Copilot Fusion
Day 2 of 7Only two hands-on reports so far, and both say Fusion tiers fail to work in some clients despite 'generally available'.
- Launched
- 28 Oct 2026
- Stamped
- 30 Oct 2026
- Claims
- ✓0 held · ~2 mixed · ✗0 failed · ?1 unclear
- Reports
- 2 (0 praise · 2 problem · 0 mixed)
What they claimed
“In the Artificial Analysis Coding Agent Index, Copilot Fusion Max scored 60, within two points of Claude Code with Opus 5.5 Max.”? Unclear
“GitHub Copilot Fusion is generally available.”~ Mixed
“Copilot Fusion is available on all Copilot plans in Visual Studio Code, the GitHub Copilot app, GitHub Copilot CLI, and JetBrains IDEs.”~ Mixed
Both stamps come from the public user reports linked on each receipt, under the same method. Verdicts are opinion and are never paid for.
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