xAI · x-ai/grok-4.20

grok-4.20

Budget Everyday 2000k context Hermes Usable

Grok 4.20 is a reasoning model from SpaceXAI with industry-leading speed and agentic tool calling capabilities. It combines the lowest hallucination rate on the market with strict prompt adherance, delivering...

Input / M

$1.250

Output / M

$2.500

Value score

50.88

30d price Δ

Reasoning (AA)

25.7

Coding (AA)

—

Tool / agentic

—

Knowledge cutoff

2025-09-01

Price history

Not enough history yet — newer than the backfill window.

Capability snapshot

Last-known Artificial Analysis indexes via OpenRouter.

Index	Score
context	100.0
general_intelligence	25.7
reasoning	25.7