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SpaceXAI: Grok 4.20 API pricing
Last updated
- Input / 1M tokens
- $1.25
- Output / 1M tokens
- $2.50
- Blended / 1M
- $1.56
- 3:1 input:output
- Context window
- 2M
- tokens
- Arena Elo
- 1200
Context window
How much text fits in a single request.
2,000,000 tokens, roughly 1.5M words or 3,000 pages of English text.
Estimate assumes ~0.75 words per token and 500 words per page. Input and output share this limit.
Price history
USD per 1M tokens at each recorded price change.
| Date | Input / 1M | Output / 1M | Blended / 1M | Change |
|---|---|---|---|---|
| $1.25 | $2.50 | $1.56 | Launch |
Changelog
Notable updates to SpaceXAI: Grok 4.20.
SpaceXAI: Grok 4.20 is now tracked with input at $1.25 and output at $2.50 per 1M tokens, a 2,000,000-token context window, and an Elo score of 1200.
Summaries are AI-generated from tracked data changes.