π UPDATE β July 8, 2026
Grok 4.5 is no longer exclusive to Tesla and SpaceX insiders β xAI has begun a broader rollout by integrating the model into the OpenClaw platform. Access is available now to users with an active SuperGrok or X subscription, marking the first time the general public can interact with Grok 4.5 directly. The official @grok account announced the availability earlier today, with the post already drawing over 84,000 views. No details were shared on whether feature parity with the private beta version exists, or if any capabilities have been restricted for this wider release.
π UPDATE β July 8, 2026
Elon Musk has confirmed that Grok 4.5 (the V9 foundation model) has now officially launched, with a 1M token context window upgrade expected as soon as next week. Musk also revealed the model is not yet running on xAI's custom C/C++ inference software optimized for GB300 hardware β once that ships, he projects a doubling or more of current inference speed. Additionally, Musk stated that users should expect "a meaningful improvement in the usefulness of the Grok Build harness" every week going forward, describing the rate of improvement as accelerating.
| Feature | Current | Coming Soon |
|---|---|---|
| Context Window | β | 1M tokens (~next week) |
| Inference Speed | Current baseline | 2Γ or more (GB300 C/C++ software) |
π UPDATE β July 8, 2026
Elon Musk has revealed two major developments coming to Grok beyond the current private beta. First, the next monthly release will deliver a "step-change improvement" in solving real-world engineering problems across Tesla, SpaceX, Neuralink, and The Boring Company β signaling a tighter closed-loop integration between Grok and xAI's industrial operations. Second, Grok will gain the ability to call Imagine as a tool in agentic mode, enabling on-demand image and video generation β with Musk specifically highlighting the potential for game developers as Imagine continues to improve.
π UPDATE β July 8, 2026
Grok 4.5 has exited private beta and is now publicly available to developers. Elon Musk announced today that the model can be accessed directly through Cursor and Vercel, two of the most widely used developer platforms in the AI tooling ecosystem. This marks a significant expansion beyond the earlier Tesla and SpaceX-only rollout, opening Grok 4.5 to the broader developer community for the first time.
π UPDATE β July 8, 2026
Grok 4.5 has officially launched publicly, graduating from its private beta at Tesla and SpaceX. xAI describes it as their first model trained specifically for coding and agents, developed in partnership with Cursor, promising frontier intelligence at leading speeds and cost efficiency. Early head-to-head testing by @wholemars shows a striking speed advantage: Grok 4.5 completed a simple todo app build in 104 seconds versus Claude Fable's 557 seconds β more than 5Γ faster.
π UPDATE β July 8, 2026
Grok 4.5 has officially launched publicly, graduating from its private beta at Tesla and SpaceX. xAI has confirmed it is the company's first model specifically trained for coding and agent-based tasks, co-developed with Cursor. Elon Musk stated internally it is "roughly comparable to Opus 4.7, but much faster," with the focus on real-world engineering utility over benchmark scores. Pricing is set at $2/M input and $6/M output tokens β less than half the cost of comparable models β while using half as many tokens per task and delivering higher throughput speeds.
The model is now available for free trial in the SpaceXAI console, Grok Build, and Cursor, with all usage limits reset for launch. EU availability is expected later in July.
π UPDATE β July 8, 2026
Elon Musk confirmed that xAI is pushing near-daily refinements to the Grok Build harness and the 1.5T foundation model based on user feedback. More notably, he revealed that the larger 2T parameter model is on track to finish training this month, with a customer rollout planned for next month β signaling a significant capability jump beyond the 1.5T architecture currently in private beta at Tesla and SpaceX.
β @elonmusk Β· July 8, 2026 Β· 129K views
π UPDATE β July 8, 2026
Elon Musk announced this morning that Grok 4.5 will exit private beta and become publicly available tomorrow, citing strong positive feedback from Tesla and SpaceX beta testers. Musk described Grok 4.5 as an "Opus-class model" β positioning it directly against Anthropic's top tier β while emphasizing it is faster, more token-efficient, and lower cost than comparable models. The public rollout will be handled under the @SpaceXAI handle, not xAI's main account.
Elon Musk posted a single word β "Grok" β late Monday night, and it turns out that tease was pointing at something substantial. According to verified reporting, xAI's Grok 4.5 is now in private beta testing at both SpaceX and Tesla, built on a new 1.5-trillion-parameter foundation architecture and trained with data from AI coding platform Cursor. No public release date has been announced, but the direction is clear: xAI is moving fast.
What Grok 4.5 Actually Is
Grok 4.5 runs on xAI's proprietary V9 foundation architecture β a 1.5-trillion-parameter model that represents a significant step up from prior Grok generations. The training pipeline incorporates data from Cursor, the AI coding assistant whose parent company Anysphere was acquired by SpaceX for $60 billion in a deal expected to close in Q3 2026. That acquisition is already paying dividends: SpaceX has reportedly reassigned several dozen top Starlink and Starship engineers, alongside Cursor staff, to work directly on the Grok model family using SpaceX supercomputing infrastructure.
Reinforcement learning from human feedback (RLHF) is still ongoing, and xAI's internal "Grok Build" benchmark is iterating daily β meaning what's in private beta now is a moving target, not a finished product.
Performance Claims and the Anthropic Comparison
Musk has stated internally that Grok 4.5 performs close to β and in some evaluations surpasses β Anthropic's Claude Opus. Those claims are based on internal assessments and have not been independently verified. Given xAI's track record of aggressive self-benchmarking, independent testing will be the real measure once a public release arrives.
What's notable is the choice of benchmark: Claude Opus has been widely regarded as one of the strongest models for reasoning and long-context tasks. If Grok 4.5 is genuinely competitive there, it would mark a meaningful leap for the platform.
The Bigger Picture: A Model Every Month
Perhaps the most striking detail is xAI's stated development cadence. According to reporting, the company plans to release a new AI model trained completely from scratch every month for the remainder of 2026. That's an extraordinarily aggressive schedule β one that would require the kind of compute and engineering density that only a company with SpaceX's supercomputing resources and talent pipeline could plausibly sustain.
For Tesla owners and watchers, this matters because Grok is increasingly woven into Tesla's software ecosystem. As Grok improves, so does the AI layer underpinning in-car voice interactions, the Tesla app, and longer-term, the reasoning systems that feed into Autopilot and FSD development. Grok 4.5 in private beta at Tesla today is likely a preview of what arrives in your vehicle in a future OTA update.
No public timeline has been confirmed. When xAI opens access beyond the internal beta, that announcement will almost certainly be another one-word tweet.
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Sources & reporting notes
The links below identify the material source records used for this report.
- @elonmusk on X (2026-06-30T23:20:32.000Z) β Direct source
- @elonmusk on X (2026-07-08T06:21:06.000Z) β Direct source
- @elonmusk on X (2026-07-08T16:30:35.000Z) β Direct source
- @elonmusk on X (2026-07-08T17:38:36.000Z) β Direct source
- @SpaceXAI on X (2026-07-08T17:57:13.000Z) β Direct source
- @SpaceXAI on X (2026-07-08T17:57:13.000Z) β Direct source
- @SpaceXAI on X (2026-07-08T17:57:13.000Z) β Direct source
- @SpaceXAI on X (2026-07-08T17:57:12.000Z) β Direct source
- @SawyerMerritt on X (2026-07-08T18:00:29.000Z) β Direct source
- @wholemars on X (2026-07-08T18:29:08.000Z) β Direct source
- @michaelnicollsx on X (2026-07-08T18:34:44.000Z) β Direct source
- @elonmusk on X (2026-07-08T19:02:04.000Z) β Direct source
- @elonmusk on X (2026-07-08T19:01:03.000Z) β Direct source
- @elonmusk on X (2026-07-08T20:39:56.000Z) β Direct source
- @elonmusk on X (2026-07-08T20:35:13.000Z) β Direct source
- @elonmusk on X (2026-07-08T21:34:24.000Z) β Direct source
- @elonmusk on X (2026-07-08T21:30:24.000Z) β Direct source
- @elonmusk on X (2026-07-08T21:08:47.000Z) β Direct source
- @grok on X (2026-07-08T22:35:18.000Z) β Direct source
Source links are preserved as published or accessed. See our editorial standards and corrections policy.
The BASENOR Editorial Desk covers Tesla, SpaceX, and related technology, curating reporting from primary sources β official accounts, regulatory filings, and software release data. Every article passes source-record and fact-checking review before publication. About the newsroom.
This report was curated by the BASENOR Editorial Desk from the sources listed above. Read our editorial standards or email editorial@basenor.com to report an error.
