Capabilities
7-day heat trend
+8.7%Pricing breakdown
Typical 3:1 output-to-input mix, per 1M tokens
Estimated monthly cost by workload
Market position
- Cheaper than 4% of tracked models
- Faster than 64% of tracked models
- Efficiency rank: #1062 of 1105
Best suited for
Mixed text, image, audio and document workloads that benefit from one model across modalities.
About grok-4
Grok 4 is xAI's latest reasoning model with a 256k context window. It supports parallel tool calling, structured outputs, and both image and text inputs. Note that reasoning is not...
grok-4 is a Multimodal model from xAI (US). HotON.ai tracks it at $3.00 per 1M input tokens and $15.00 per 1M output tokens, with a 256K-token context window, ~155 tokens/sec throughput and 98.4% availability. Its composite efficiency score is 83/100 at an estimated $0.014 per successful task.
Compare grok-4
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Frequently asked questions
How much does grok-4 cost per 1M tokens?+
grok-4 is tracked at $3.00 per 1M input tokens and $15.00 per 1M output tokens. A typical 3:1 output-to-input workload blends to roughly $12.00 per 1M tokens. Figures are illustrative demo data.
What is grok-4 best for?+
Mixed text, image, audio and document workloads that benefit from one model across modalities.
How fast is grok-4?+
grok-4 delivers about 155 tokens/sec with 98.4% tracked availability, suitable for latency-sensitive, real-time applications.
Is grok-4 cheaper than other AI models?+
Within the HotON.ai tracked set, grok-4 is cheaper than 4% of models on input price and ranks #1062 of 1105 by overall efficiency.
Related models
Pricing is real (via the TestKey catalog, updated daily). Quality (Arena Elo) is real where the model is ranked on LMArena. Speed, availability and efficiency are modeled estimates.