AI Model Catalog: 86 Models Compared — Pricing, Context & Benchmarks

xAI: Grok Imagine Video 1.5 Lite T

Cost-efficient video model for text-to-video and image-to-video generation

xai/grok-imagine-video-1.5-lite 2026-10-01 1.024K context Input not listed Output not listed

2 providers

xAI: Grok 4.7 T

Reasoning Tools JSON

xAI's frontier model for long-running agents, coding, knowledge work, and visual projects

xai/grok-4.7 2026-09-21 500K context $2/M input $6/M output

27 providers

xAI: Grok Voice Transcribe 2.0

Speech-to-text model with word-level timestamps, speaker diarization, multichannel audio, and streaming

xai/grok-voice-transcribe-2.0 2026-09-17 Not documented context Input not listed Output not listed

xAI: Grok 4.6 T

Reasoning Tools JSON

xAI's frontier model for long-running agents, coding, knowledge work, and visual projects

xai/grok-4.6 2026-08-12 500K context $2/M input $6/M output

34 providers

xAI: Grok Imagine Image 2.0 T

Image model for prompt-driven generation, editing, and visual design workflows

xai/grok-imagine-image-2.0 2026-08-07 64K context Input not listed Output not listed

4 providers

xAI: Grok Voice STT 1.0

Grok Voice STT 1.0 is xAI's speech-to-text model. It supports transcription with word-level timestamps, optional speaker diarization, and multichannel audio.

xai/grok-voice-stt-1.0 2026-08-04 15K context Input not listed Output not listed

1 provider

xAI: Grok Voice TTS 1.0 T

Convert text into spoken audio with a single API call. The API supports a rich set of expressive voices, inline speech tags for fine-grained delivery control, and output formats from high-fidelity MP3 to telephony-optimized μ-law.

xai/grok-voice-tts-1.0 2026-07-31 15K context Input not listed Output not listed

1 provider

xAI: Grok 4.5 T

Reasoning Tools JSON

xAI's Grok model for chat, coding, agentic tools, and lower hallucination risk

xai/grok-4.5 2026-07-08 500K context $2/M input $6/M output

29 providers

xAI: Grok Imagine Video 1.5 T

Video model for text-to-video, image-to-video, and reference-to-video generation with optional voice references

xai/grok-imagine-video-1.5 2026-05-30 1.024K context Input not listed Output not listed

2 providers

xAI: Grok 4.3 T

Reasoning Tools JSON

xAI's default Grok for chat, coding, agentic tools, and lower hallucination risk

xai/grok-4.3 2026-04-17 1M context $1.25/M input $2.5/M output

31 providers

xAI: Grok Build 0.1 T

Reasoning Tools JSON

Fast Grok coding model tuned for agentic engineering and iterative edits

xai/grok-build-0.1 2026-04-16 256K context $1/M input $2/M output

19 providers

xAI: Grok Imagine Image Quality T

Higher-fidelity Grok Imagine image model for prompt-driven generation, editing, and visual design workflows

xai/grok-imagine-image-quality 2026-04-03 16K context Input not listed Output not listed

1 provider

xAI: Grok TTS T

xai/grok-tts 2026-03-16 15K context Input not listed Output not listed

1 provider

xAI: Grok 4.20 (Non-Reasoning) T

Tools JSON

Grok model for agentic tool use, reasoning, coding, and live assistance

xai/grok-4.20-0309-non-reasoning 2026-03-09 1M context $1.25/M input $2.5/M output

11 providers

xAI: Grok 4.20 (Reasoning) T

Reasoning Tools JSON

Reasoning Grok for document-heavy analysis and long-horizon tool use

xai/grok-4.20-0309-reasoning 2026-03-09 1M context $1.25/M input $2.5/M output

13 providers

xAI: Grok Imagine Image T

Image model for prompt-driven generation, editing, and visual design workflows

xai/grok-imagine-image 2026-01-28 16K context Input not listed Output not listed

3 providers

xAI: X-Ai/Grok-4-Fast-Reasoning T

Reasoning Tools

Fast Grok model for responsive chat, reasoning, and tool-assisted work

xai/grok-4-fast-reasoning 2025-12-18 2M context $0.2/M input $0.5/M output

2 providers

xAI: X-Ai/Grok-4-Fast-Non-Reasoning T

Tools

Fast Grok model for responsive chat, reasoning, and tool-assisted work

xai/grok-4-fast-non-reasoning 2025-12-18 2M context $0.2/M input $0.5/M output

3 providers

xAI: Grok 4.1 Fast T

Tools JSON

xAI's fast agentic tool-calling model with a 2M context window; non-reasoning variant for low-latency responses

xai/grok-4.1-fast 2025-11-19 2M context $0.2/M input $0.5/M output

2 providers

xAI: Grok 4.1 Fast (Reasoning) T

Reasoning Tools

xAI's fast agentic tool-calling model with a 2M context window and built-in reasoning

xai/grok-4.1-fast-reasoning 2025-11-19 2M context $0.2/M input $0.5/M output

5 providers

xAI: x-AI/Grok-Code-Fast 1 T

Reasoning Tools

Fast Grok model for responsive chat, reasoning, and tool-assisted work

xai/grok-code-fast-1 2025-09-02 256K context $0.2/M input $1.5/M output

2 providers

xAI: SpaceXAI: Grok 4.5 T

Grok 4.5 is a model from SpaceXAI with frontier performance on coding, knowledge work, and STEM.

x-ai/grok-4.5 500K context $2/M input $6/M output

xAI: SpaceXAI: Grok Build 0.1 T

Grok Build 0.1 is SpaceXAI’s fast coding model trained specifically for agentic software engineering workflows. It supports text and image inputs with text output, and is optimized for interactive coding...

x-ai/grok-build-0.1 256K context $1/M input $2/M output

xAI: SpaceXAI: Grok 4.3 T

Grok 4.3 is a reasoning model from SpaceXAI. It accepts text and image inputs with text output, and is suited for agentic workflows, instruction-following tasks, and applications requiring high factual...

x-ai/grok-4.3 1M context $1.25/M input $2.5/M output

xAI: SpaceXAI: Grok 4.20 Multi-Agent T

Grok 4.20 Multi-Agent is a variant of SpaceXAI’s Grok 4.20 designed for collaborative, agent-based workflows. Multiple agents operate in parallel to conduct deep research, coordinate tool use, and synthesize information...

x-ai/grok-4.20-multi-agent 2M context $1.25/M input $2.5/M output

xAI: SpaceXAI: Grok 4.20 T

Grok 4.20 is a reasoning model from SpaceXAI with industry-leading speed and agentic tool calling capabilities. It combines the lowest hallucination rate on the market with strict prompt adherance, delivering...

x-ai/grok-4.20 2M context $1.25/M input $2.5/M output

xAI: grok-2 T