Claude Code
Anthropic's interactive coding agent CLI.
v0.2.54 → v2.1.210Apr 22, 2026 → Jul 15, 2026
- Versions
- 416
- Changed
- 415
- Major
- 8
- Notable
- 66
Codex CLI
OpenAI's terminal coding assistant.
v0.93.0 → v0.144.4Apr 23, 2026 → Jul 15, 2026
- Versions
- 55
- Changed
- 54
- Major
- 7
- Notable
- 3
Gemini CLI
Google's open-source CLI for Gemini-powered agents.
v0.1.0 → v0.50.0Apr 23, 2026 → Jul 15, 2026
- Versions
- 144
- Changed
- 98
- Major
- 8
- Notable
- 21
How to read it
Every timeline page has a split-view diff
Each version card and shaping milestone ships with a scrollable before/after diff of every changed field. Long strings collapse with a show full toggle so you can skim without drowning.
Split-view diff8 fields changedtools · 3prompts · 2transport · 2model · 1
| Field | Before | After |
|---|---|---|
| toolsTodoWrite | — | added |
| toolsBash / description | previous description | description changed (+99 chars, +3 lines) |
| toolstool count | 12 | 13 |
| promptstotal prompt size | 10,395 chars | 12,931 chars (+2,536) |
| promptsblock 1 | previous text | text changed (+2,536 chars) |
| modelmodel | claude-3-7-sonnet-20250219 | claude-sonnet-4-20250514 |
| transportheader / user_agent | claude-cli/0.2.54 (external) | claude-cli/0.2.55 (external) |
| transportheader / anthropic_beta | prompt-caching-2024-07-31,tools-2024-05-16,output-128k-2025-02-19 | prompt-caching-2024-07-31,tools-2024-05-16,output-128k-2025-02-19,fine-grained-tool-stream… |