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xAI · current

Grok 4.20

Grok 4.20 is attributed to xAI in the catalog. It accepts text and image input and produces text output. Reported capabilities include reasoning, tool calling, and structured output.

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Report an errorModel and price history

Modalities

Hosted provider token rates

$1.25 / $2.50

USD per 1M input / output tokens · Kilo Gateway

Context

2M

Released

2026-03-31

Knowledge cutoff

Unknown

No recent lab-operated provider rate is available. Showing the third-party host with the lowest input rate + ¼ output rate. This is one offering, not an average; other providers, modalities, tiers, and fees may differ.

Where to use it

4 observed offerings · token prices in USD per million where available

Estimate your workload cost
OpenRouter

x-ai/grok-4.20

current

Input

$1.25

Output

$2.50

Cache

$0.20

Context

2M

Max output

1.8M
Reasoning
Yes
Tool calling
Yes
Structured output
Yes
Temperature
Yes

Recent price

NanoGPT

x-ai/grok-4.20

current

Input

$1.25

Output

$2.50

Cache

$0.20

Context

2M

Max output

131K
Reasoning
Yes
Tool calling
Yes
Structured output
Yes
Temperature
Unknown

Recent price

Kilo Gateway

x-ai/grok-4.20

current

Input

$1.25

Output

$2.50

Cache

$0.20

Context

2M

Max output

1.8M
Reasoning
Yes
Tool calling
Yes
Structured output
Yes
Temperature
Yes

Recent price

Venice AI

grok-4-20

current

Input

$1.42

Output

$2.83

Cache

$0.23

Context

2M

Max output

128K
Reasoning
Yes
Tool calling
Yes
Structured output
Yes
Temperature
Unknown

Recent price

Limits and capabilities reflect each provider’s listed offering. Unknown means support was not reported.

Capabilities and limits

Input
text, image
Output
text
Max output
131K
Weights
Closed (source-reported)
Release
2026-03-31
Knowledge cutoff
Unknown
Family
grok

Reasoning · Tool calling · Structured output · Vision

Provider-specific limits and support can differ.

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Evaluate quality and latency on examples from your intended use before choosing a model.

Explore available evidence

Models to compare

Candidates match reported specifications; they are not tested replacements.

Grok 4.20 Multi-AgentxAI · 2M contextCompare →

Model and price history

Latest recorded change: price change · 2026-10-19

Model changes (1)
  • price change · 2026-10-19
    {
  "before": {
    "input": "2.00000000",
    "output": "6.00000000",
    "provider": "NanoGPT"
  },
  "after": {
    "input": 1.25,
    "output": 2.5,
    "provider": "NanoGPT"
  }
}
Price history (160 observations)
DateProviderInput / output
2026-11-02NanoGPT$1.25 / $2.50
2026-11-02OpenRouter$1.25 / $2.50
2026-11-02Kilo Gateway$1.25 / $2.50
2026-11-02Venice AI$1.42 / $2.83
2026-11-01OpenRouter$1.25 / $2.50
2026-11-01NanoGPT$1.25 / $2.50
2026-11-01Kilo Gateway$1.25 / $2.50
2026-11-01Venice AI$1.42 / $2.83
2026-10-31NanoGPT$1.25 / $2.50
2026-10-31OpenRouter$1.25 / $2.50
2026-10-31Kilo Gateway$1.25 / $2.50
2026-10-31Venice AI$1.42 / $2.83
2026-10-30NanoGPT$1.25 / $2.50
2026-10-30OpenRouter$1.25 / $2.50
2026-10-30Kilo Gateway$1.25 / $2.50
2026-10-30Venice AI$1.42 / $2.83
2026-10-29NanoGPT$1.25 / $2.50
2026-10-29OpenRouter$1.25 / $2.50
2026-10-29Kilo Gateway$1.25 / $2.50
2026-10-29Venice AI$1.42 / $2.83
2026-10-28NanoGPT$1.25 / $2.50
2026-10-28OpenRouter$1.25 / $2.50
2026-10-28Kilo Gateway$1.25 / $2.50
2026-10-28Venice AI$1.42 / $2.83
2026-10-27NanoGPT$1.25 / $2.50
2026-10-27OpenRouter$1.25 / $2.50
2026-10-27Kilo Gateway$1.25 / $2.50
2026-10-27Venice AI$1.42 / $2.83
2026-10-27NanoGPT$1.25 / $2.50
2026-10-27OpenRouter$1.25 / $2.50
2026-10-27Kilo Gateway$1.25 / $2.50
2026-10-27Venice AI$1.42 / $2.83
2026-10-27NanoGPT$1.25 / $2.50
2026-10-27OpenRouter$1.25 / $2.50
2026-10-27Kilo Gateway$1.25 / $2.50
2026-10-27Venice AI$1.42 / $2.83
2026-10-27NanoGPT$1.25 / $2.50
2026-10-27OpenRouter$1.25 / $2.50
2026-10-27Kilo Gateway$1.25 / $2.50
2026-10-27Venice AI$1.42 / $2.83
2026-10-26NanoGPT$1.25 / $2.50
2026-10-26OpenRouter$1.25 / $2.50
2026-10-26Kilo Gateway$1.25 / $2.50
2026-10-26Venice AI$1.42 / $2.83
2026-10-25OpenRouter$1.25 / $2.50
2026-10-25NanoGPT$1.25 / $2.50
2026-10-25Kilo Gateway$1.25 / $2.50
2026-10-25Venice AI$1.42 / $2.83
2026-10-24OpenRouter$1.25 / $2.50
2026-10-24NanoGPT$1.25 / $2.50
2026-10-24Kilo Gateway$1.25 / $2.50
2026-10-24Venice AI$1.42 / $2.83
2026-10-24OpenRouter$1.25 / $2.50
2026-10-24NanoGPT$1.25 / $2.50
2026-10-24Kilo Gateway$1.25 / $2.50
2026-10-24Venice AI$1.42 / $2.83
2026-10-24OpenRouter$1.25 / $2.50
2026-10-24NanoGPT$1.25 / $2.50
2026-10-24Kilo Gateway$1.25 / $2.50
2026-10-24Venice AI$1.42 / $2.83
2026-10-23OpenRouter$1.25 / $2.50
2026-10-23NanoGPT$1.25 / $2.50
2026-10-23Kilo Gateway$1.25 / $2.50
2026-10-23Venice AI$1.42 / $2.83
2026-10-23OpenRouter$1.25 / $2.50
2026-10-23NanoGPT$1.25 / $2.50
2026-10-23Kilo Gateway$1.25 / $2.50
2026-10-23Venice AI$1.42 / $2.83
2026-10-23OpenRouter$1.25 / $2.50
2026-10-23NanoGPT$1.25 / $2.50
2026-10-23Kilo Gateway$1.25 / $2.50
2026-10-23Venice AI$1.42 / $2.83
2026-10-23OpenRouter$1.25 / $2.50
2026-10-23NanoGPT$1.25 / $2.50
2026-10-23Kilo Gateway$1.25 / $2.50
2026-10-23Venice AI$1.42 / $2.83
2026-10-23NanoGPT$1.25 / $2.50
2026-10-23OpenRouter$1.25 / $2.50
2026-10-23Kilo Gateway$1.25 / $2.50
2026-10-23Venice AI$1.42 / $2.83
2026-10-22NanoGPT$1.25 / $2.50
2026-10-22OpenRouter$1.25 / $2.50
2026-10-22Kilo Gateway$1.25 / $2.50
2026-10-22Venice AI$1.42 / $2.83
2026-10-21NanoGPT$1.25 / $2.50
2026-10-21OpenRouter$1.25 / $2.50
2026-10-21Kilo Gateway$1.25 / $2.50
2026-10-21Venice AI$1.42 / $2.83
2026-10-20OpenRouter$1.25 / $2.50
2026-10-20NanoGPT$1.25 / $2.50
2026-10-20Kilo Gateway$1.25 / $2.50
2026-10-20Venice AI$1.42 / $2.83
2026-10-19NanoGPT$1.25 / $2.50
2026-10-19OpenRouter$1.25 / $2.50
2026-10-19Kilo Gateway$1.25 / $2.50
2026-10-19Venice AI$1.42 / $2.83
2026-10-18OpenRouter$1.25 / $2.50
2026-10-18NanoGPT$2 / $6
2026-10-18Kilo Gateway$1.25 / $2.50
2026-10-18Venice AI$1.42 / $2.83
2026-10-17NanoGPT$2 / $6
2026-10-17OpenRouter$1.25 / $2.50
2026-10-17Kilo Gateway$1.25 / $2.50
2026-10-17Venice AI$1.42 / $2.83
2026-10-12NanoGPT$2 / $6
2026-10-12OpenRouter$1.25 / $2.50
2026-10-12Kilo Gateway$1.25 / $2.50
2026-10-12Venice AI$1.42 / $2.83
2026-10-12NanoGPT$2 / $6
2026-10-12OpenRouter$1.25 / $2.50
2026-10-12Kilo Gateway$1.25 / $2.50
2026-10-12Venice AI$1.42 / $2.83
2026-10-11NanoGPT$2 / $6
2026-10-11OpenRouter$1.25 / $2.50
2026-10-11Kilo Gateway$1.25 / $2.50
2026-10-11Venice AI$1.42 / $2.83
2026-10-10OpenRouter$1.25 / $2.50
2026-10-10NanoGPT$2 / $6
2026-10-10Kilo Gateway$1.25 / $2.50
2026-10-10Venice AI$1.42 / $2.83
2026-10-09NanoGPT$2 / $6
2026-10-09OpenRouter$1.25 / $2.50
2026-10-09Kilo Gateway$1.25 / $2.50
2026-10-09Venice AI$1.42 / $2.83
2026-10-09OpenRouter$1.25 / $2.50
2026-10-09NanoGPT$2 / $6
2026-10-09Kilo Gateway$1.25 / $2.50
2026-10-09Venice AI$1.42 / $2.83
2026-10-08OpenRouter$1.25 / $2.50
2026-10-08NanoGPT$2 / $6
2026-10-08Kilo Gateway$1.25 / $2.50
2026-10-08Venice AI$1.42 / $2.83
2026-10-07NanoGPT$2 / $6
2026-10-07OpenRouter$1.25 / $2.50
2026-10-07Kilo Gateway$1.25 / $2.50
2026-10-07Venice AI$1.42 / $2.83
2026-09-22OpenRouter$1.25 / $2.50
2026-09-22NanoGPT$2 / $6
2026-09-22Kilo Gateway$1.25 / $2.50
2026-09-22Venice AI$1.42 / $2.83
2026-09-21OpenRouter$1.25 / $2.50
2026-09-21NanoGPT$2 / $6
2026-09-21Kilo Gateway$1.25 / $2.50
2026-09-21Venice AI$1.42 / $2.83
2026-09-20NanoGPT$2 / $6
2026-09-20OpenRouter$1.25 / $2.50
2026-09-20Kilo Gateway$1.25 / $2.50
2026-09-20Venice AI$1.42 / $2.83
2026-09-19NanoGPT$2 / $6
2026-09-19OpenRouter$1.25 / $2.50
2026-09-19Kilo Gateway$1.25 / $2.50
2026-09-19Venice AI$1.42 / $2.83
2026-09-18NanoGPT$2 / $6
2026-09-18OpenRouter$1.25 / $2.50
2026-09-18Kilo Gateway$1.25 / $2.50
2026-09-18Venice AI$1.42 / $2.83
2026-09-17OpenRouter$1.25 / $2.50
2026-09-17NanoGPT$2 / $6
2026-09-17Kilo Gateway$1.25 / $2.50
2026-09-17Venice AI$1.42 / $2.83