Is Grok 4.5 out yet?
Yes.
About Grok 4.5
Grok 4.5 is an AI model from xAI, now publicly released. Prior to release, it entered private beta testing at Tesla and SpaceX; detailed information about its capabilities has not been provided in official announcements.
How we confirmed it
Released via the API
July 8, 2026 at 5:39 PM UTC
The official inference endpoint accepted the model.
Open detection source →Release timeline
- 2026-07-01 Official announcement or source
- 2026-07-08T17:39:02.808Z First official availability observed
- 2026-07-08T17:39:12.808Z Availability confirmed after the second check
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Benchmarks
LM Arena#36
grok-4.5 · via LM Arena · 17,848 votes · captured Aug 18, 2026 · source
1468.6578219099113
Coding#36
Grok 4.5 · via BenchLM.ai · captured Aug 18, 2026 · source
57.33
Agentic#13
Grok 4.5 · via BenchLM.ai · captured Aug 18, 2026 · source
61.64
Knowledge#25
Grok 4.5 · via BenchLM.ai · captured Aug 18, 2026 · source
71.1
MultimodalGrounded#16
Grok 4.5 · via BenchLM.ai · captured Aug 12, 2026 · source
67.6
Sourced metrics mirrored with attribution - not community sentiment.
Data from BenchLM.ai.
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Model Pulse
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Community consensus
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Compare Grok 4.5 with another model →
Also waiting on: Gemini 3.5 Pro, Claude Fable 5.1, Claude Mythos 5.1, GLM-6
Comments
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