# Grok 4.20 Multi-Agent

**Provider:** xai
**Released:** 2026-03-31
**License:** proprietary
**Context window:** 2,000,000 tokens
**Modalities:** text

**Pricing** (as of 2026-05-09):
- Input: $2/M tokens
- Output: $6/M tokens

## Timeline

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## Sources
- https://docs.x.ai/docs/models
- https://openrouter.ai/api/v1/models