X Ai

xAI: Grok 4.20

x-ai/grok-4.20

Score79

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Input / M

Output / M

Context

Max Output

Unavailable

Usage

Unranked

Quality

76.3 / 100

Providers

Best Uptime 30m

99.93%

Released

Mar 31, 2026

Modalities

text, image, file

About

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

Capabilities

Vision

Tools

Reasoning

Streaming

JSON Mode

Providers

Per-provider pricing, uptime, latency

No provider data yet — will populate on next endpoints sync.

Benchmarks

Quality index 76.3 / 100

Design Arena

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1254.0

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1253.0

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1221.0

elo models 3d

1267.0

Performance History

54 snapshots

Price History

0 recorded changes

No price changes recorded yet.

Activity Timeline

No events yet.

Versus

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First seen 3d ago · Last verified 10m ago