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Grok 4.20 0309 (Non-reasoning)

xAIGrokProprietary

Description

Grok 4.20 Beta Non-Reasoning is xAI's non-reasoning variant of the Grok 4.20 model family. Released as a beta on March 9, 2026, it provides fast, direct responses without thinking tokens, featuring a 2 million token context window while optimizing for speed and lower latency.

Release Date
2026-03-10
Parameters
Context Length
1.0M
Modalities
image, pdf, text

Capability Radar

23
general
32
coding
79
reasoning
51
scienceest.
65
agents
80
multimodal

Science uses a reasoning proxy when dedicated science benchmarks are unavailable.

Rankings

Domain#RankScoreSource
Code Ranking296
30.0
AA
General Ranking201
49.0
AA
Science123
58.0
AA

Benchmark Scores (LLM Stats)

No benchmark data available

AA Evaluation Indices

Intelligence Index
22.5
Gpqa
0.8
Tau2
0.7
Ifbench
0.5
Scicode
0.3
Hle
0.2
Terminalbench Hard
0.2
Lcr
0.2

LLM Stats Category Scores

Long Context
10

Pricing

Input Price$2 / 1M tokens
Output Price$6 / 1M tokens
Blended Price (3:1)$3 / 1M tokens
Cache Read Price$0.2 / 1M tokens

Speed

Tokens/sec228.5
Time to First Token0.41s
Time to Answer0.41s

Provider Price Ranking

Provider Price Ranking

4 providers

Cheapest: xAIMost Expensive: 302.AI
ProviderInputOutput
1xAICheapest
$1.25
$2.5
2LLM Gateway
$1.25
$2.5
3Merge Gateway
$1.25
$2.5
4302.AI
$2
$6

Compare pricing across different API providers for this model.

External Sources