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Grok release dates and model history
Latest Grok model: Grok 4.7, released September 21, 2026. Next: Grok 4.8, rumored. Every Grok release date with sources, checked every 5 minutes.
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xAI first put Grok inside X, late 2023, for paying accounts. Then the lab opened the weights, doubled the memory, added images, then reasoning. Grok 4 came out in July 2025. Grok 5 was announced, but never dated: today it is still the 4 line, with Grok 4.7.
Release history
Dates come from the cited sources. A catalog listing date can differ from the first public release. Dates below use UTC.
Grok 4.7
Grok 4.7 is SpaceXAI's flagship model for coding, agentic tasks, and knowledge work, succeeding Grok 4.6. It is particularly strong at long-running software engineering tasks, verifying its own work, and...
xAI · Grok 4.7Grok 4.6
Grok 4.6 is a model from SpaceXAI with frontier performance on coding, knowledge work, and STEM. It is succeeded by Grok 4.7.
xAI · Release notesGrok 4.5
Grok 4.5 is a model from SpaceXAI with frontier performance on coding, knowledge work, and STEM.
xAI · Release notesGrok Build 0.1
Grok Build 0.1 is SpaceXAI’s fast coding model trained specifically for agentic software engineering workflows. It supports text and image inputs with text output, and is optimized for interactive coding...
xAI · Release notesGrok 4.3
Grok 4.3 is a reasoning model from SpaceXAI. It accepts text and image inputs with text output, and is suited for agentic workflows, instruction-following tasks, and applications requiring high factual...
xAI models docGrok 4.20 Multi-Agent
Grok 4.20 Multi-Agent is a variant of SpaceXAI’s Grok 4.20 designed for collaborative, agent-based workflows. Multiple agents operate in parallel to conduct deep research, coordinate tool use, and synthesize information...
xAI · Release notesGrok 4.20
Grok 4.20 is a reasoning model from SpaceXAI with industry-leading speed and agentic tool calling capabilities. It combines the lowest hallucination rate on the market with strict prompt adherance, delivering...
xAI · Release notesGrok 4
Grok 4 landed in July 2025, with Grok 4 Heavy. Public date from the family biography or the public catalogue; a listing date is not always the release day.
Wikipedia · Grok (chatbot)Grok 3
Grok 3 brought reasoning in February 2025 (Think, DeepSearch). Public date from the family biography or the public catalogue; a listing date is not always the release day.
Wikipedia · Grok (chatbot)Grok 2
Grok 2 added image generation in August 2024. Public date from the family biography or the public catalogue; a listing date is not always the release day.
Wikipedia · Grok (chatbot)Grok 1.5
Grok 1.5 doubled the context (128k) in March 2024. Weights of Grok 1 had been opened on 17 March. Public date from the family biography or the public catalogue; a listing date is not always the release day.
Wikipedia · Grok (chatbot)Grok 1
xAI put Grok 1 in front of X Premium users in November 2023. The weights were open-sourced the following March. Public date from the family biography or the public catalogue; a listing date is not always the release day.
Wikipedia · Grok (chatbot)
Questions about Grok
- What is the latest Grok model?
- Grok 4.7, released on September 21, 2026.
- What is the next Grok model?
- Grok 4.8, a rumor for now. Date mentioned: October 1, 2026.
- How often does xAI release a new Grok model?
- About every 40 days over the last 12 months (median gap between releases).
Sources and references
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