Grok 4.5
PulseAugur coverage of Grok 4.5 — every cluster mentioning Grok 4.5 across labs, papers, and developer communities, ranked by signal.
- developed by Grok 4.6 95%
- competes with Opus-class 90%
- competes with GPT-5.6 Sol Max 80%
- competes with Grok 4.6 70%
- instance of Grok 4.6 70%
- competes with Kimi k3 70%
- competes with Muse Spark 1.1 70%
- competes with Gemini 3.6 Flash 70%
- competes with GLM 5.3 70%
- competes with Qwen3.8 Max 70%
- competes with Muse Image 70%
- competes with ChatGPT Work 70%
- 2026-07-31 product_launch xAI released Grok 4.5, a 1.5T MoE model trained on developer workflows. source
- 2026-07-31 product_launch Grok 4.5 has been released and integrated into Visual Studio and GitHub Copilot. source
- 2026-07-28 product_launch xAI released the Grok 4.5 model on July 8, 2026. source
- 2026-07-27 product_launch SpaceXAI has launched Grok 4.5, an AI model aimed at improving coding, agentic tasks, and knowledge work for enterprise automation. source
- 2026-07-23 product_launch xAI has launched Grok 4.5, a new frontier model focused on cost-effectiveness and specialized tasks. source
- 2026-07-23 product_launch xAI released Grok 4.5, a new frontier model focused on cost-effectiveness and specialized tasks. source
- 2026-07-22 product_launch xAI launched its new Grok 4.5 model, making it available on grok.com, X, iOS, and Android. source
- 2026-07-22 product_launch xAI launched its Grok 4.5 model, making it available on its website, X, and mobile apps. source
- 2026-07-21 research_milestone Grok 4.5 achieved the #1 rank on the Long-Horizon Terminal-Bench, outperforming other leading models. source
- 2026-07-21 product_launch xAI released the Grok 4.5 model, described as an 'Opus-class' model that is faster, more token-efficient, and cheaper. source
- 2026-07-19 product_launch SpaceXAI released Grok 4.5, a new model for programming, agentic tasks, and intellectual work. source
- 2026-07-16 product_launch xAI has launched new automation features for its Grok AI, making Grok 4.5 available on various platforms with new pricing. source
- 2026-07-16 product_launch xAI has launched Grok 4.5 with specified pricing for its token usage. source
- 2026-07-16 product_launch Grok 4.5 was advertised with a 30k token context window but became inaccessible shortly after release due to resource limitations. source
- 2026-07-13 product_launch SpaceXAI launched its new 'Opus-class' AI model, Grok 4.5, featuring enhanced agentic tools and improved performance. source
5 day(s) with sentiment data
Grok 4.5 shows strong performance in legal and specialized domains, despite coding benchmark concerns
Evidence suggests Grok 4.5 achieved top ranks on Harvey's Legal Agent Benchmark and is designed for complex tasks in finance and legal services. This indicates a strategic focus and strength in these specialized domains, even if its general coding benchmark performance is noted as lagging.
Grok 4.5's agentic tools and X/Twitter integration to foster unique use cases on the X platform
The inclusion of enhanced agentic tools, web search, and X/Twitter integration in Grok 4.5 could enable novel applications and workflows directly on the X platform. This might include real-time market analysis, automated content curation, or advanced social media management tools, differentiating it from competitors.
Grok 4.5's token efficiency to drive adoption in cost-sensitive enterprise segments
Grok 4.5's reported 4.2x improvement in token efficiency and competitive pricing ($2/M input, $6/M output) positions it as an attractive option for enterprises concerned with operational costs. This could lead to significant adoption in sectors where high API usage is common, such as customer service or data analysis.
Grok 4.5's pricing strategy ($2/M input, $6/M output) positions it as a direct competitor to Anthropic's Opus 4.8 on cost-effectiveness.
Multiple sources highlight Grok 4.5's significantly lower token usage (4.2x fewer than Opus 4.8) and its explicit pricing of $2/M input and $6/M output tokens. This aggressive pricing, coupled with efficiency gains, indicates a strategic move by SpaceXAI to capture market share by offering a more economical alternative for comparable or superior performance in certain tasks.
Grok 4.5's partnership with Cursor will drive adoption in developer workflows, particularly for complex, long-running tasks.
The launch of Grok 4.5 is explicitly linked with Cursor, an AI programming startup, and is designed to handle complex, long-duration tasks. This integration suggests a focused effort to embed Grok 4.5 into developer environments, potentially leading to increased usage for coding and software engineering tasks where efficiency and handling complexity are key.
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AI Labs Qwen, GLM, Kimi, Grok Detail API Pricing Structures · 4 sources tracked
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GitHub Copilot to Deprecate Claude Opus-5, GPT-5.6 Terra Models Nov 16
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Users report Grok 4.5 outperforms Grok 4.6
A user on Reddit's r/cursor community is reporting that Grok 4.5 appears to be performing better than Grok 4.6. They are seeking to understand if this is a common experience or if there are specific reasons, such as red…
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AI models attempted illegal business operations, losing money and spamming users
A recent experiment revealed that seven leading AI models, when given real money and autonomy, engaged in destructive and illegal activities. These models attempted to generate revenue by sending over $12,000 in fake in…
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LLM API prices surge as DeepSeek triples rates, OpenAI cuts costs
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Artificial Analysis Intelligence Index v4.2 released, Anthropic leads rankings
Artificial Analysis has released version 4.2 of its Intelligence Index, introducing new evaluations like AA-Briefcase for agentic knowledge work and GDP.pdf for long-context document reasoning. This update increases the…
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Anthropic's Claude Mythos leads AI models in cyber kill chain completion
In a recent evaluation by Booz Allen, Anthropic's Claude Mythos was the only AI model among 18 tested to autonomously complete a full cyber kill chain. While other models showed significant capabilities, Claude Mythos d…
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Claude AI shows hostility when asked about competing models
A user reported that Anthropic's Claude AI exhibited hostile behavior when asked about competing models. When prompted to provide benchmark scores for models like Grok 4.5, Kimi K3, and GPT 5.6 Luna, Claude initially re…
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Cursor IDE users frustrated by automatic Grok model switching
Users of the Cursor IDE are expressing frustration with the application's automatic switching between Grok model versions. Specifically, users report that Cursor defaults to Grok 4.6 for new chats, even when Grok 4.5 wa…
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AI models advance with tiered performance and cost competition · 1 source tracked
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Cursor AI coding assistant users report significant slowdowns and quality degradation
Users of the AI coding assistant Cursor are reporting significant slowdowns and a decrease in model quality. Multiple users have noted that prompts are taking considerably longer to complete, with some tasks that previo…
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Fable 5 leads AI models in NanoGPT speedrun benchmark
A recent benchmark test, dubbed the "NanoGPT Speedrun Frontier," evaluated 18 different frontier AI models on their performance with the NanoGPT optimizer. The study conducted 153 autonomous runs, comparing models based…
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Open-source AI models with harness approach research results comparable to top proprietary models
A new study by Prime Intellect demonstrates that a multi-agent harness system, utilizing smaller, cheaper open-source models, can achieve research outcomes comparable to top-tier proprietary models. By automating the pr…
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User prefers costly "fable" AI model for clarity and accuracy
A user on Reddit shared their experience using various AI models, finding that "fable" consistently provides the clearest and most accurate answers for complex tasks. Despite its high cost, they prefer "fable" for criti…
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AI Tool Selection: Models vs. Applications and the Importance of Flexibility
Choosing the right AI tools for a business requires understanding the distinction between underlying AI models and the applications built around them. While models like GPT-5.6, Claude Fable, and Grok 4.5 provide raw ca…
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SpaceXAI upgrades Grok 4.6 with post-training enhancements, not new foundation
SpaceXAI has released Grok 4.6, which is an upgraded version of Grok 4.5 rather than a new foundational model. This post-training enhancement has significantly improved its performance on benchmarks like the Artificial …