Grok 4.20 0309
Mar 2026
Grok 4.20 0309Compare inon
Benchmarks of Grok 4.20 030913
BenchmarkByScoreRank
Overall1
Knowledge4
Science2
Coding1
Agents1
Multimodal1
Documents1
Legacy · saturated or no longer reported2
No benchmark matches
Rankingin thinking mode?
Retired models are left out of the current rankings.
Alternatives?
ModelScoreCostPer taskWhat changes
CheaperMuse Spark 1.3max+91%-33%$1.60Context: 2M → 1M+6
BetterGPT-6 Lunamedium+19%-93%$0.017Context: 2M → 1.05M+4
OpenMiMo v2.6 Prothinking+84%-82%$0.13Context: 2M → 1M+4
CheaperDeepSeek V4.1 Flash 1017maxOpen+79%-83%$0.26Context: 2M → 1M+5
CheaperGLM 5.3maxOpen+78%-28%$2.01Context: 2M → 1M+4ModelScoreCostPer taskWhat changes
Muse Spark 1.3max+91%-33%$1.60Context: 2M → 1M+6MiMo v2.6 ProthinkingOpen+84%-82%$0.13Context: 2M → 1M+4DeepSeek V4.1 Flash 1017maxOpen+79%-83%$0.26Context: 2M → 1M+5GLM 5.3maxOpen+78%-28%$2.01Context: 2M → 1M+4
Step 5 PreviewthinkingOpen+73%-52%$1.03Context: 2M → 1M+3ModelScoreCostPer taskWhat changes
GPT-6 Lunamedium+19%-93%$0.017Context: 2M → 1.05M+4
Claude Haiku 5.5low+17%-93%$0.024Context: 2M → 1M+6GPT-5.6 Lunahigh+27%-85%$0.044Context: 2M → 1.05MMiMo v2.6 FlashthinkingOpen+50%-94%$0.062Context: 2M → 1M+4GPT-6.1 Sollow+67%+33%$0.13Context: 2M → 1.05M+6ModelScoreCostPer taskWhat changes
MiMo v2.6 ProthinkingOpen+84%-82%$0.13Context: 2M → 1M+4DeepSeek V4.1 Flash 1017maxOpen+79%-83%$0.26Context: 2M → 1M+5GLM 5.3maxOpen+78%-28%$2.01Context: 2M → 1M+4Step 5 PreviewthinkingOpen+73%-52%$1.03Context: 2M → 1M+3
Kimi K3maxOpen+73%+100%$2.00Context: 2M → 1M+4ModelScoreCostPer taskWhat changes
Grok 4.6medium+70%—$1.14Context: 2M → 500KGrok 4.7low+67%—$1.25Context: 2M → 500K+5Grok 4.5high+54%—$0.88Context: 2M → 500KGrok Build 0.1thinking+8%—$1 / $2Context: 2M → 256KGrok 4.3mediumsame—$1.25 / $2.50Context: 2M → 1MGrok 4.20 Multi-Agentn/a—$1.25 / $2.50Grok 4.20 Non-Reasoningn/a—$1.25 / $2.50Context: not verifiedGrok 4.20 Reasoningn/a—$1.25 / $2.50Context: not verifiedAll xAI models →History
8 versionsBenchmarks
all categoriesChat & Knowledge
GPQA Diamond88.5
Coding
Agents & Tool Use
APEX-Agents14.2
τ²-bench · AA96.5
Writing & Language
Vision & Documents
FAQ
How much does Grok 4.20 0309 cost?›
$2 per 1M input tokens and $6 per 1M output tokens.
Is Grok 4.20 0309 free to use?›
There is no free API; the cheapest paid price is $2 per 1M input tokens.
How can I use Grok 4.20 0309?›
Through the xAI API.
What is the context window of Grok 4.20 0309?›
2M tokens.
When was Grok 4.20 0309 released? Is there a newer version?›
Released 2026-03-10. It has been superseded by Grok 4.20.
Is Grok 4.20 0309 open source?›
No, Grok 4.20 0309 is a closed model available through an API. The closest open-weights option here is MiMo v2.6 Pro.
What is Grok 4.20 0309?›
Grok 4.20 0309 is a closed language model from xAI, released Mar 2026.
What are the best alternatives to Grok 4.20 0309?›
Muse Spark 1.3 (cheaper), GPT-6 Luna (better), MiMo v2.6 Pro (open weights).