All AI models · xAI
xAI model list
All 6 notable xAI models tracked in 2026, out of 279 across every lab. Sorted newest first, with context length and capabilities. Data from the open models.dev database.
6
Models
4
Reasoning
6
Vision
0
Open weights
| Model | Context | Capabilities |
|---|---|---|
|
Grok 4.5
xai/grok-4.5
xAI's latest Grok for chat, coding, agentic tools, and lower hallucination risk
|
500K | Reasoning Tools Vision |
|
Grok Imagine Video 1.5
xai/grok-imagine-video-1.5
Video model for image-to-video generation, editing, and extension workflows
|
1K | Vision |
|
Grok 4.3
xai/grok-4.3
xAI's default Grok for chat, coding, agentic tools, and lower hallucination risk
|
1000K | Reasoning Tools Vision |
|
Grok Build 0.1
xai/grok-build-0.1
Fast Grok coding model tuned for agentic engineering and iterative edits
|
256K | Reasoning Tools Vision |
|
Grok 4.20 (Non-Reasoning)
xai/grok-4.20-0309-non-reasoning
Grok model for agentic tool use, reasoning, coding, and live assistance
|
1000K | Tools Vision |
|
Grok 4.20 (Reasoning)
xai/grok-4.20-0309-reasoning
Reasoning Grok for document-heavy analysis and long-horizon tool use
|
1000K | Reasoning Tools Vision |
Which of these can I call for free?
This page lists what exists, not what is free. For the models you can call right now with one free key and no credit card, see the live API catalog or read the free LLM API guide. Open-weight models can also be run on your own GPU, and the VRAM calculator tells you whether yours is big enough.
Model lists by lab
OpenAI (56)
Google (43)
Alibaba (Qwen) (33)
Anthropic (23)
NVIDIA (20)
Mistral (18)
Zhipu AI (14)
Cohere (14)
MiniMax (7)
Moonshot AI (7)
xAI (6)
Xiaomi (6)
DeepSeek (5)
Meta (4)
Poolside (4)
DeepReinforce (4)
Perplexity (3)
StepFun (3)
Sakana AI (2)
Tencent (2)
Sarvam AI (2)
Microsoft (1)
Thinking Machines (1)
Meituan (1)
Model metadata sourced from the open models.dev database. See the full 279-model index for a filterable view across every lab.