Latest AI model versions — Claude, Gemini, ChatGPT
The current version of Claude, Gemini and ChatGPT in one table, with model IDs and release dates, plus the full release history of each.
Current versions
| Company | Model | Model ID | Released | About |
|---|---|---|---|---|
| Claude Anthropic | Claude Fable 5.1 GA | claude-fable-5-1 | Sep 1, 2026 | This is a model for long-duration reasoning and agent work. |
| Gemini Google | Gemini 4 Argon GA | — | Oct 13, 2026 | The top-of-the-line model that delivers frontier performance in complex workflows. |
| ChatGPT OpenAI | GPT-6 Astra GA | gpt-6-astra | Sep 3, 2026 | The flagship model suitable for complex inference and coding. |