Grok 4.5

What is Grok 4.5?

Grok 4.5 is an AI model developed by xai, classified as a text model. It focuses on text processing and natural language generation. As a proprietary model, it is available via xai's cloud API.

Pricing & Costs in 2026

Grok 4.5 does not have public per-token pricing available at this time. Some models offer access via enterprise plans or research programs. Check xai's official website for up-to-date availability and pricing.

Benchmarks & Performance

We don't have detailed benchmark results for Grok 4.5 yet. Benchmarks are updated weekly as new data becomes available from sources like Artificial Analysis, LM Arena, and LiveBench.

It's important to note that benchmarks measure specific aspects and don't capture the full user experience. Factors like instruction adherence, behavior in long conversations, and real-world task quality vary significantly between models and aren't always reflected in standard scores.

Recommended Use Cases

Grok 4.5 specializes in text, offering advanced capabilities for creating and processing text content.

Comparison with Alternatives

In the 2026 AI model ecosystem, Grok 4.5 competes directly with similarly capable models. xai competes in this segment against OpenAI, Anthropic, Google, and Meta. The choice between models depends on the specific use case, budget, latency requirements, and need for features like multimodality and tool calling.

For a detailed side-by-side comparison, use our comparison tool or check the overall model ranking.