Grok 4.5 undercuts Fable 5 and GPT 5.5 on price despite benchmark gaps

xAI has released Grok 4.5, a model trained on tens of thousands of Nvidia GB300 GPUs. In coding benchmarks, Grok 4.5 trails behind Fable 5 and GPT-5.5. However, the model requires 4.2 times fewer tokens than Opus 4.8.

At $2 per million input tokens, Grok 4.5 costs a fraction of its competitors. The model is expected to be available in the EU in mid-July. The pricing strategy of Grok 4.5 may prove to be a key differentiator in the market.

While it may not match the performance of Fable 5 and GPT-5.5 in certain benchmarks, its significantly lower cost could make it an attractive option for developers and businesses looking for a more affordable AI solution. Grok 4.5's token efficiency and competitive pricing may allow it to carve out a niche in the market. The model's ability to require fewer tokens than Opus 4.8 could lead to cost savings for users.

The release of Grok 4.5 highlights the ongoing competition in the AI market, with companies vying for market share through a combination of performance, pricing, and features. Why this matters: The introduction of Grok 4.5 and its aggressive pricing strategy has significant implications for the AI industry. For developers and businesses, the lower cost of Grok 4.5 could enable the integration of AI capabilities into a wider range of applications and services.

For consumers, this could lead to more affordable and accessible AI-powered products. However, the benchmark gaps between Grok 4.5 and its competitors raise questions about the trade-offs between performance and cost. As the AI market continues to evolve, it will be crucial to monitor how the balance between performance, pricing, and features influences the adoption and development of AI technologies.