Compatibility alias that routes to the newest Grok model. Currently routes to Grok 4.6. Content policy rejections can still be charged: SpaceXAI may pass through a $0.05 moderation-failure fee, or a $0.055 usage-guidelines violation fee, depending on which rejection upstream returns.
Added May 3, 2026
Context Window
500.0K
Max Output
500.0K
Input Price (Auto)
$2.10/1M
Output Price (Auto)
$6.30/1M
Cache Read (Auto)
$0.53/1M
Capabilities
Benchmarks
Benchmarks
Performance metrics and benchmarks
Sourced from Artificial Analysis.
Intelligence Index
24.8
Coding Index
35.2
Reasoning
GPQA Diamond
Graduate-level scientific reasoning
65.8%
Better than 48% of models compared
HLE
Humanity's Last Exam
6.5%
Better than 51% of models compared
IFBench
Instruction-following benchmark
47.6%
Better than 58% of models compared
T²-Bench Telecom
Conversational AI agents in dual-control scenarios
65.8%
Better than 61% of models compared
AA-LCR
Long context reasoning evaluation
24.7%
Better than 39% of models compared
Coding
SciCode
Python programming for scientific computing
37.4%
Better than 67% of models compared
Terminal-Bench Hard
Agentic coding and terminal use
18.9%
Better than 60% of models compared
Last updated Jun 28, 2026
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Grok 4.6
x-ai/grok-4.6Grok 4.6 is SpaceXAI's frontier reasoning model for coding, knowledge work, and STEM. It supports text, image, and file inputs with tool calling and structured outputs. Reasoning is always active, and requests above 200k input tokens use higher long-context rates. Content policy rejections can still be charged: SpaceXAI may pass through a $0.05 moderation-failure fee, or a $0.055 usage-guidelines violation fee, depending on which rejection upstream returns.
Grok 4.5
x-ai/grok-4.5Grok 4.5 is SpaceXAI's frontier reasoning model for coding, knowledge work, and STEM. It supports text, image, and file inputs with tool calling and structured outputs. Reasoning is always active. Content policy rejections can still be charged: SpaceXAI may pass through a $0.05 moderation-failure fee, or a $0.055 usage-guidelines violation fee, depending on which rejection upstream returns.
Grok Build 0.1
x-ai/grok-build-0.1Grok 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 agents, tool use, and multi-step development tasks. Currently in early access. Content policy rejections can still be charged: SpaceXAI may pass through a $0.05 moderation-failure fee, or a $0.055 usage-guidelines violation fee, depending on which rejection upstream returns.
Grok 4.3
x-ai/grok-4.3Grok 4.3 is SpaceXAI's reasoning model for text and image inputs, built for agentic workflows, instruction following, factual accuracy, long-document analysis, and deep research. Reasoning is always active and requests above 200k total tokens are charged at the higher long-context rate. Content policy rejections can still be charged: SpaceXAI may pass through a $0.05 moderation-failure fee, or a $0.055 usage-guidelines violation fee, depending on which rejection upstream returns.
Grok 4.20
x-ai/grok-4.20SpaceXAI's Grok 4.20 flagship release with tool calling, multimodal input support, and a 2M-token context window. Content policy rejections can still be charged: SpaceXAI may pass through a $0.05 moderation-failure fee, or a $0.055 usage-guidelines violation fee, depending on which rejection upstream returns.
Grok 4.20 Multi-Agent
x-ai/grok-4.20-multi-agentGrok 4.20 Multi-Agent is tuned for collaborative agentic workflows while keeping the same 2M-token context window and multimodal support. Content policy rejections can still be charged: SpaceXAI may pass through a $0.05 moderation-failure fee, or a $0.055 usage-guidelines violation fee, depending on which rejection upstream returns.