Model catalog
One endpoint, every model. Compare context windows, capabilities and real per-token pricing side by side, then swap the model string in your request — nothing else changes.
- 351
- Models
- 35
- Providers
- 11
- Free to try
- $0.0001
- Cheapest input / 1M
21 of 351 models
LanguageGrok 4.5
spacexai/grok-4.5
SpaceXAI's smartest model with frontier performance on coding, knowledge work, and STEM.
- Context
- 500K
- In / 1M
- $2.00
- Out / 1M
- $6.00
- Reasoning
- Tool use
- Vision
- +3
- Language
Grok 4.3
spacexai/grok-4.3
Grok 4.3 is a new model matching the scale of Grok 4.20 with an improved architecture and a December 2025 knowledge cutoff.
- Context
- 1M
- In / 1M
- $1.25
- Out / 1M
- $2.50
- Reasoning
- Tool use
- Vision
- +3
- Language
Grok 4.20 Beta Reasoning
spacexai/grok-4.20-reasoning-beta
Grok 4.20 Beta is the newest flagship 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 consistently precise and truthful responses.
- Context
- 2M
- In / 1M
- $1.25
- Out / 1M
- $2.50
- Reasoning
- Tool use
- Vision
- +3
- Language
Grok 4.20 Multi Agent Beta
spacexai/grok-4.20-multi-agent-beta
Multiple agents collaborate in parallel to perform deep research tasks.
- Context
- 2M
- In / 1M
- $1.25
- Out / 1M
- $2.50
- Reasoning
- Tool use
- Vision
- +3
- Language
Grok 4.20 Multi-Agent
spacexai/grok-4.20-multi-agent
Multiple agents collaborate in parallel to perform deep research tasks.
- Context
- 2M
- In / 1M
- $1.25
- Out / 1M
- $2.50
- Reasoning
- Tool use
- Vision
- +3
- Language
Grok 4.20 Reasoning
spacexai/grok-4.20-reasoning
Grok 4.20 Beta is the newest flagship model from xAI with industry-leading speed and agentic tool calling capabilities. It combines the lowest hallucination rate on the market with strict prompt adherence, delivering consistently precise and truthful responses.
- Context
- 2M
- In / 1M
- $1.25
- Out / 1M
- $2.50
- Reasoning
- Tool use
- Vision
- +3
- Language
Grok Build 0.1
spacexai/grok-build-0.1
xAI's fast coding model trained specifically for agentic coding.
- Context
- 256K
- In / 1M
- $1.00
- Out / 1M
- $2.00
- Reasoning
- Tool use
- Vision
- +2
- Language
Grok 4.20 Beta Non-Reasoning
spacexai/grok-4.20-non-reasoning-beta
Grok 4.20 Beta is the newest flagship 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 consistently precise and truthful responses.
- Context
- 2M
- In / 1M
- $1.25
- Out / 1M
- $2.50
- Tool use
- Vision
- Web search
- +2
- Language
Grok 4.20 Non-Reasoning
spacexai/grok-4.20-non-reasoning
Grok 4.20 Beta is the newest flagship model from xAI with industry-leading speed and agentic tool calling capabilities. It combines the lowest hallucination rate on the market with strict prompt adherence, delivering consistently precise and truthful responses.
- Context
- 2M
- In / 1M
- $1.25
- Out / 1M
- $2.50
- Tool use
- Vision
- Web search
- +2
- Language
Grok 4.1 Fast Reasoning
spacexai/grok-4.1-fast-reasoning
- Context
- 1M
- In / 1M
- $0.200
- Out / 1M
- $0.500
- Reasoning
- Tool use
- Vision
- +2
- Language
Grok 4.6
spacexai/grok-4.6
Grok 4.6 builds on Grok 4.5 with a particular focus on long-running agents and more ambitious interactive and visual work. It stays with complex tasks across many steps, whether researching a topic, analyzing information, working across a codebase, or turning an idea into a polished application or work artifact.
- Context
- 500K
- In / 1M
- $2.00
- Out / 1M
- $6.00
- Reasoning
- Tool use
- Vision
- +1
- Language
Grok 4.1 Fast Non-Reasoning
spacexai/grok-4.1-fast-non-reasoning
- Context
- 1M
- In / 1M
- $0.200
- Out / 1M
- $0.500
- Tool use
- Vision
- File input
- +1
- Image
Grok Imagine Image 2.0
spacexai/grok-imagine-image-2.0
- Context
- —
- In / 1M
- —
- Out / 1M
- —
- Image generation
- Transcription
Grok STT
spacexai/grok-stt
Transcribe audio to text in 25 languages with batch and streaming modes.
- Context
- —
- In / 1M
- Free
- Out / 1M
- —
- Socket transcription
- Image
Grok Imagine Image
spacexai/grok-imagine-image
Generate high-quality images from text prompts with xAI's imagine API.
- Context
- —
- In / 1M
- —
- Out / 1M
- —
- Image generation
- Realtime
Grok Voice Think Fast 2.0
spacexai/grok-voice-think-fast-2.0
Grok Voice Think Fast 2.0, our next-generation voice model with improved intelligence, transcription accuracy, and conversational capabilities.
- Context
- —
- In / 1M
- —
- Out / 1M
- —
- Video
Grok Imagine Video 1.5
spacexai/grok-imagine-video-1.5
- Context
- —
- In / 1M
- —
- Out / 1M
- —
- Video
Grok Imagine Video 1.5 Preview
spacexai/grok-imagine-video-1.5-preview
- Context
- —
- In / 1M
- —
- Out / 1M
- —
- Realtime
Grok Voice Think Fast 1.0
spacexai/grok-voice-think-fast-1.0
Build real-time voice applications powered by Grok. Stream audio and text bidirectionally via WebSocket for voice assistants, phone agents, and interactive voice systems.
- Context
- —
- In / 1M
- —
- Out / 1M
- —
- Speech
Grok TTS
spacexai/grok-tts
Generate speech with 5 expressive voices, speech tags, and telephony codecs.
- Context
- —
- In / 1M
- $15.00
- Out / 1M
- —
- Video
Grok Imagine
spacexai/grok-imagine-video
State-of-the-art video generation across quality, cost, and latency. Grok Imagine is x.AI's most powerful video-audio generative model yet. Bring an image to life, start from a simple text prompt, or even refine a complex cinematic sequence.
- Context
- —
- In / 1M
- —
- Out / 1M
- —