Arena Elo 1474Human-preference rating · LMArena (shown where the model is ranked)
Capabilities
7-day heat trend
−26.6%Pricing breakdown
Typical 3:1 output-to-input mix, per 1M tokens
Estimated monthly cost by workload
Market position
- Cheaper than 7% of tracked models
- Faster than 43% of tracked models
- Efficiency rank: #71 of 1105
Best suited for
Mixed text, image, audio and document workloads that benefit from one model across modalities.
About grok-4.20
Grok 4.20 is xAI's newest flagship model with industry-leading speed and agentic tool calling capabilities. It combines the lowest hallucination rate on the market with strict prompt adherance, delivering consistently...
grok-4.20 is a Multimodal model from xAI (US). HotON.ai tracks it at $2.00 per 1M input tokens and $6.00 per 1M output tokens, with a 2000K-token context window, ~144 tokens/sec throughput and 97.5% availability. Its composite efficiency score is 93/100 at an estimated $0.007 per successful task.
Compare grok-4.20
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Frequently asked questions
How much does grok-4.20 cost per 1M tokens?+
grok-4.20 is tracked at $2.00 per 1M input tokens and $6.00 per 1M output tokens. A typical 3:1 output-to-input workload blends to roughly $5.00 per 1M tokens. Figures are illustrative demo data.
What is grok-4.20 best for?+
Mixed text, image, audio and document workloads that benefit from one model across modalities.
How fast is grok-4.20?+
grok-4.20 delivers about 144 tokens/sec with 97.5% tracked availability, suitable for latency-sensitive, real-time applications.
Is grok-4.20 cheaper than other AI models?+
Within the HotON.ai tracked set, grok-4.20 is cheaper than 7% of models on input price and ranks #71 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.