Claude Fable 5$22.000/MClaude Opus 4.8$11.000/MClaude Opus 4.7$11.000/MClaude Opus 4.6$11.000/MClaude Opus 4.5$33.000/MClaude Sonnet 3.7$6.600/MClaude Opus 3$33.000/MClaude 2.1$12.800/MClaude 2$12.800/MGPT-5.5$12.500/MGPT-5.2$5.425/MGPT-5.2-Codex$5.425/MGPT-5$3.875/MGPT-4.5$97.500/MGPT-4 Turbo Preview$16.000/MGPT-4$39.000/MGPT-4-32k$78.000/Mo3$19.000/Mo3-mini$2.090/Mo4-mini$2.090/Mo1$28.500/Mo1-mini$5.700/Mo1-preview$28.500/MGemini 3.5 Pro$5.000/MGemini 3.1 Pro$5.000/MGemini 3 Pro$5.000/MGemini 2.5 Pro$3.875/MGemini 1.5 Pro$2.375/MGemini 1.0 Ultra$12.000/MGemini 1.0 Pro$0.800/MClaude Fable 5$22.000/MClaude Opus 4.8$11.000/MClaude Opus 4.7$11.000/MClaude Opus 4.6$11.000/MClaude Opus 4.5$33.000/MClaude Sonnet 3.7$6.600/MClaude Opus 3$33.000/MClaude 2.1$12.800/MClaude 2$12.800/MGPT-5.5$12.500/MGPT-5.2$5.425/MGPT-5.2-Codex$5.425/MGPT-5$3.875/MGPT-4.5$97.500/MGPT-4 Turbo Preview$16.000/MGPT-4$39.000/MGPT-4-32k$78.000/Mo3$19.000/Mo3-mini$2.090/Mo4-mini$2.090/Mo1$28.500/Mo1-mini$5.700/Mo1-preview$28.500/MGemini 3.5 Pro$5.000/MGemini 3.1 Pro$5.000/MGemini 3 Pro$5.000/MGemini 2.5 Pro$3.875/MGemini 1.5 Pro$2.375/MGemini 1.0 Ultra$12.000/MGemini 1.0 Pro$0.800/M
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Grok 4.20

text+image+file->text

Grok 4.20 is a general-purpose chat-tuned model. Available via xAI. 2M-token context. Mid-tier pricing.

Grok 4.20 is a multimodal AI model from xAI. It costs $1.250 per million input tokens and $2.500 per million output tokens (blended $1.625/M), with a 2.0M-token context window.

Modalities text, visionProvider pricing ↗API docs ↗Pricing source ↗Compare with another model →Estimate monthly cost →
INPUT
$1.250/M
per million input tokens
OUTPUT
$2.500/M
per million output tokens
BLENDED 70/30
$1.625/M
default reference rate · how it's calculated →
CONTEXT
2.0M
2,000,000 tokens
What it's good at
  • Solid general chat performance
  • Reasonable instruction following
  • Multimodal: handles images alongside text
Typical use cases
  • General chat
  • Drafting and rewriting
  • Personal productivity
Benchmarks
No published benchmark scores tracked for this model yet. Frontier and reasoning models from major providers have scores; smaller models and inference-host variants typically inherit the underlying open-weights score.
More from xAI
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Grok 4.3
Frontier · 1M ctx
in $1.250/Mout $2.500/M
Grok 4
Previous · 256K ctx
in $3.000/Mout $15.000/M
Grok 3
Frontier · 131K ctx
in $3.000/Mout $15.000/M
Grok 3 mini
Efficient · 131K ctx
in $0.300/Mout $0.500/M
Grok 3 Fast
Balanced · 131K ctx
in $5.000/Mout $25.000/M
Grok 2
Previous · 131K ctx
in $2.000/Mout $10.000/M
Frequently asked questions

How much does Grok 4.20 cost?

Grok 4.20 costs $1.250 per million input tokens and $2.500 per million output tokens, for a blended reference rate of $1.625 per million tokens.

What is Grok 4.20's context window?

Grok 4.20 supports up to 2.0M tokens of context (2,000,000 tokens).

What is Grok 4.20 best for?

Grok 4.20 is well suited to Solid general chat performance, Reasonable instruction following and Multimodal: handles images alongside text.

Who makes Grok 4.20?

Grok 4.20 is developed and served by xAI.