Skip to main content

Grok 4.20 0309 (Non-reasoning)

SpaceXAIGrokProprietary

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
science
65
agents
80
multimodal

Rankings

Domain#RankScoreSource
Code Ranking343
30.0
AA
General Ranking251
48.0
AA
Science164
59.0
AA

Benchmark Scores (LLM Stats)

(LLM Stats (zeroeval))

No benchmark data available

AA Evaluation Indices

(Artificial Analysis)
Intelligence Index(Artificial Analysis)
22.9
Gpqa(NYU + Cohere + Anthropic (2023))
0.8
Tau2(Sierra + U Toronto + Vector Institute (2025))
0.7
Ifbench(Google Research (2023))
0.5
Scicode(UIUC + Argonne National Lab (2024))
0.3
Hle(Center for AI Safety + Scale AI (2025))
0.2
Terminalbench Hard(Stanford × Laude Institute (2026))
0.2
Lcr(Artificial Analysis)
0.2

LLM Stats Category Scores

(LLM Stats (zeroeval))
Long Context
10
General
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/sec0.0
Time to First Token0.00s
Time to Answer0.00s

Provider Price Ranking

Provider Price Ranking

2 providers

Cheapest: xAIMost Expensive: SpaceXAI
ProviderInputOutput
1xAICheapest
$1.25
$2.5
2SpaceXAIPRIMARY
$2
$6

Compare pricing across different API providers for this model.

External Sources