Alternatives to Codex | ScienceToStartup

Alternatives to Codex

Options that appear in the same research papers as Codex, by co-occurrence.

Alternative	Difference	Papers (with Codex)	Avg viability
Claude Code	—	2	—
GitHub	—	1	—
GPT-5	—	1	—
Claude	—	1	—
ClaudeCode	—	1	—