Meta
15 releases · Feb 2023 – Sep 2026
Develops the open-weight Llama series of models. Committed to open-source AI research. AI Release Tracker has logged 15 Meta models, from LLaMA 1 (Feb 24 2023) through Muse Spark 1.3 (Sep 2 2026). Every release below links to a dedicated page with benchmarks, parameters, and context window.
A new Meta model typically arrives about every 27 days, with the next projected around Tuesday, Sep 29, 2026. Its strongest benchmark results to date include DeepSWE 1.1 (75.4%, on Muse Spark 1.3), CharXiv Reasoning (88.9%, on Muse Spark), and MCP Atlas (88.1%, on Muse Spark 1.1). 11 of the 15 models tracked here are open-weight or open-source; the rest are proprietary.
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Release cadence
Releases by year
Year-over-year totals for Meta. The current year is partial.
Releases by day of week
Which days of the week Meta ships on.
Best benchmark scores
All releases
15 releases · Feb 24 2023 – Sep 2 20262026
5 releases2025
2 releases2024
5 releasesFrequently asked questions
The most recent Meta model tracked on AI Release Tracker is Muse Spark 1.3, released on Sep 2 2026.