Historical release dates need verification. Page reviewed 2026-10-11; original collection dates are unknown. A plotted date is an unverified historical record, not a confirmed provider announcement.
Historical release dates need verification. Page reviewed 2026-10-11; original collection dates are unknown. A plotted date is an unverified historical record, not a confirmed provider announcement.
| Model | Recorded date (unverified) | Verification source |
|---|---|---|
| GPT-3 | 2020-06-11 | openai |
| ChatGPT (3.5) | 2022-11-30 | openai |
| GPT-4 | 2023-03-14 | openai |
| GPT-4o | 2024-05-13 | openai |
| GPT-4o mini | 2024-07-18 | openai |
| o1-preview | 2024-09-12 | openai |
| o1 | 2024-12-17 | openai |
| o3-mini | 2025-01-30 | openai |
| GPT-4.5 | 2025-02-25 | openai |
| GPT-4.1 | 2025-04-14 | openai |
| o3 | 2025-04-14 | openai |
| o4-mini | 2025-04-14 | openai |
| Codex | 2025-05-16 | openai |
| GPT-5 | 2025-06-10 | openai |
| o3-pro | 2025-09-09 | openai |
| Claude 1 | 2023-03-14 | anthropic |
| Claude 2 | 2023-07-11 | anthropic |
| Claude 3 Opus | 2024-03-04 | anthropic |
| Claude 3 Sonnet | 2024-03-04 | anthropic |
| Claude 3 Haiku | 2024-03-04 | anthropic |
| Claude 3.5 Sonnet | 2024-06-20 | anthropic |
| Claude 3.5 Sonnet v2 | 2024-10-22 | anthropic |
| Claude 3.7 Sonnet | 2025-02-24 | anthropic |
| Claude Sonnet 4 | 2025-05-22 | anthropic |
| Claude Opus 4 | 2025-05-22 | anthropic |
| Claude Opus 4.1 | 2025-08-05 | anthropic |
| Claude Haiku 4.5 | 2025-10-15 | anthropic |
| Claude Sonnet 4.5 | 2025-10-29 | anthropic |
| Claude Opus 4.6 | 2026-02-05 | anthropic |
| Claude Sonnet 4.6 | 2026-02-17 | anthropic |
| Bard (PaLM 2) | 2023-02-06 | |
| Gemini 1.0 | 2023-12-06 | |
| Gemini 1.5 Pro | 2024-02-15 | |
| Gemini 2.0 Flash | 2024-12-11 | |
| Gemini 2.5 Pro | 2025-03-04 | |
| Gemini 2.5 Flash | 2025-05-20 | |
| Gemini 2.5 Pro 0605 | 2025-06-05 | |
| Gemini CLI | 2025-06-25 | |
| Gemini 3.1 Pro | 2026-03-03 | |
| LLaMA | 2023-02-24 | meta |
| Llama 2 | 2023-07-18 | meta |
| Llama 3 | 2024-04-18 | meta |
| Llama 3.1 405B | 2024-07-23 | meta |
| Llama 3.3 70B | 2024-12-09 | meta |
| Llama 4 Scout | 2025-04-29 | meta |
| Llama 4 Maverick | 2025-04-29 | meta |
| DeepSeek-V2 | 2024-05-07 | deepseek |
| DeepSeek-V3 | 2024-12-26 | deepseek |
| DeepSeek-R1 | 2025-01-20 | deepseek |
| DeepSeek-V3 0324 | 2025-03-24 | deepseek |
| DeepSeek-R1-0528 | 2025-05-28 | deepseek |
| DeepSeek-V3.5 | 2025-07-16 | deepseek |
| DeepSeek-R1-0120 | 2026-01-23 | deepseek |
| Mistral 7B | 2023-09-27 | mistral |
| Mixtral 8x7B | 2023-12-11 | mistral |
| Mistral Large | 2024-02-26 | mistral |
| Mixtral 8x22B | 2024-04-17 | mistral |
| Mistral Large 2 | 2024-07-24 | mistral |
| Mistral Small 3 | 2025-01-29 | mistral |
| Mistral Medium 3 | 2025-05-15 | mistral |
| Grok-2 | 2024-08-13 | xai |
| Grok-3 | 2025-02-19 | xai |
| Grok 4 | 2025-06-20 | xai |
| Qwen2 | 2024-06-07 | qwen |
| Qwen2.5 | 2024-09-19 | qwen |
| QwQ-32B | 2025-01-29 | qwen |
| Qwen3 | 2025-04-29 | qwen |
| Qwen3-Max | 2026-02-20 | qwen |