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The Llama family

Meta's Llama models, which helped popularize open weights; since 2026 Meta has also released models under the Muse name.

Only versions we have a record for. Missing ones appear as records are added.

12versions2023–2026Latest · Muse Spark Open

Llama began in February 2023 with LLaMA 1, shared only with vetted researchers for non-commercial research. Llama 2, that July, allowed commercial use, but under Meta's own licence rather than an open-source one.

In 2024 Llama 3, 3.1, 3.2 and 3.3 followed one another, widening the sizes (from 1B to 405B) and the uses (reading images, small models for phones). Llama 4, in April 2025, drew criticism for putting an unreleased version on a public leaderboard.

From 2026 Meta released models under a new name, Muse. The first, Muse Spark, kept its weights closed, but Muse Glimmer (Apache 2.0) in August and Muse Spark Open in October were again downloadable.

Made by AIThe family notes were written by AI (Claude); each version links to its record, where the source is. Published after automated checks; the owner doesn't read every item.How it's made

At a glance

The Llama family — 12 versionsEach Llama version from 2023 to 2026 as a dot, in release order. The list below has the same information.LlamaLLaMA 1 · Feb 24, 2023Llama 2 · Jul 18, 2023Code Llama · Aug 24, 2023Llama 3 · Apr 18, 2024Llama 3.1 · Jul 23, 2024Llama 3.2 · Sep 25, 2024Llama 3.3 · Dec 6, 2024Llama 4 Scout·Maverick · Apr 5, 2025MuseMuse Spark · Apr 8, 2026Muse Glimmer 30B · Aug 10, 2026Muse Spark 1.3 · Sep 2, 2026Muse Spark Open · Oct 15, 2026
Where labels would overlap, only the dot is drawn — point at it to see the name; every version is in the list below.

12 versions

In release order. Each date comes from the record that documents it — open a name to see the record.

  1. LLaMA 1

    Shared with vetted researchers for non-commercial use

    LlamaText

  2. Llama 2

    Commercial use allowed, under a Community License

    LlamaOpen weights

  3. Code Llama

    A code model built on Llama 2

    LlamaCodeOpen weights

  4. Llama 3

    8B and 70B sizes; raised the bar for local use

    LlamaOpen weights

  5. Llama 3.1

    Up to 405B; license allowed training on its outputs

    LlamaOpen weights

  6. Llama 3.2

    Image-reading 11B and 90B, plus 1B and 3B for phones

    LlamaMultimodalOpen weights

  7. Llama 3.3

    A text-only 70B model

    LlamaTextOpen weights

  8. Llama 4 Scout·Maverick

    Released amid controversy over an unreleased LMArena entry

    LlamaOpen weights

  9. Muse Spark

    Meta's multimodal reasoning model; weights not released

    MuseMultimodalReasoning

  10. Muse Glimmer 30B

    First open weights since Llama 4, under Apache 2.0

    MuseOpen weightsMultimodal

  11. Muse Spark 1.3

    Update the company says uses fewer tool calls and tokens

    MuseReasoning

  12. Muse Spark Open

    Muse Spark released as open weights six months on (42B active)

    LatestMuseOpen weightsMultimodal