xAI: Grok 4.20
Released Mar 31, 2026Try it on:
Grok 4.20 is a reasoning model from xAI with industry-leading speed and agentic tool calling capabilities. It combines the lowest hallucination rate on the market with strict prompt adherance, delivering...
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Pricing
Per token
- Input (per 1M)
- $1.25
- Output (per 1M)
- $2.50
- Cache Read (per 1M)
- $0.200
Per unit
- Web search
- $0.0050/call
Capabilities
Modality
text+image+file->textContext
2M tokens
Tokenizer
Grok
Knowledge cutoff
2025-09-01
Moderation
Unmoderated
Supported parameters
include_reasoning
logprobs
max_tokens
reasoning
response_format
seed
structured_outputs
temperature
tool_choice
tools
top_logprobs
top_p
Providers
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