The Interestana AI Index

AI model release dates

The 20 foundation models in the AI Index, newest first. Each date is the developer's own, from the pages listed on the model's entry; entries were checked against those pages most recently on . The index lags the developers: a model released since is added once it can be sourced.

Follow by RSSAdd the calendar (.ics)

2025

  1. Mistral Large 3

    Mistral AImultimodalopen-weightSuperseded

  2. Claude Haiku 4.5

    AnthropicmultimodalproprietarySuperseded

  3. Claude Sonnet 4.5

    AnthropicmultimodalproprietaryDeprecated

  4. GPT-5

    OpenAIreasoningproprietaryDeprecated

  5. Gemini 2.5 Flash-Lite

    Google DeepMindmultimodalproprietarySuperseded

  6. Grok 4

    xAImultimodalproprietaryRetired

  7. Gemini 2.5 Pro

    Google DeepMindmultimodalproprietarySuperseded

  8. Claude Opus 4

    AnthropicreasoningproprietaryRetired

  9. Qwen3-235B-A22B

    Alibaballmopen-weight

  10. OpenAI o3

    OpenAIreasoningproprietaryDeprecated

  11. Llama 4 Maverick

    Metamultimodalopen-weight

  12. Llama 4 Scout

    Metamultimodalopen-weight

  13. Gemini 2.0 Flash

    Google DeepMindmultimodalproprietaryRetired

  14. DeepSeek-R1

    DeepSeekreasoningopen-weightRetired

2024

  1. DeepSeek-V3

    DeepSeekllmopen-weightRetired

  2. Phi-4

    Microsoft Researchllmopen-weight

  3. Amazon Nova Pro

    AmazonmultimodalproprietarySuperseded

  4. GPT-4o mini

    OpenAImultimodalproprietary

  5. GPT-4o

    OpenAImultimodalproprietary

  6. Command R+

    Coherellmopen-weightSuperseded

API pricing All models in the AI Index