Grok 4.20 (Reasoning)
Grok model for agentic tool use, reasoning, coding, and live assistance
Context
2,000,000
Max output
2,000,000
Input / 1M
$1.25
Output / 1M
$2.50
Providers
5
01Profile
Profile
Released
2026-04-08
Last updated
2026-04-08
Knowledge cutoff
2025-09
Weights
Closed
02Capabilities
Capabilities
Input
text
Output
text
Reasoning
Yes
Tool calling
Yes
Structured output
No
Attachments
No
Cache read
—
Cache write
—
03Pricing
Pricing across 5 providers
Per 1M tokens, USD. Sorted by input price. First-party row highlighted.
04History
Change history
12+ recent events since 2026-04-08
2026-09-10Addedgoogle-vertexoffering→ new
2026-08-20Addedllmgateway-providersoffering→ new
2026-06-30Price cutllmgatewayinput / 1M$2.00→ $1.25
2026-06-30Price cutllmgatewayoutput / 1M$6.00→ $2.50
2026-06-24Price upllmgatewayinput / 1M$1.25→ $2.00
2026-06-24Price upllmgatewayoutput / 1M$2.50→ $6.00
2026-06-24ContextllmgatewayContext window—→ 2,000,000
2026-06-06Price cutvercelinput / 1M$2.00→ $1.25
2026-06-06Price cutverceloutput / 1M$6.00→ $2.50
2026-06-03Price upllmgatewayinput / 1M—→ $1.25
2026-06-03Price upllmgatewayoutput / 1M—→ $2.50
2026-05-21Addedllmgatewayoffering→ new