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AIMarketCap

Colossus 1

Platform
SpaceXAIactive

Large-scale AI training supercomputer in Memphis built for training and serving Grok models.

Launched
Sep 2, 2024
Models
—
Modality
—
Open source
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API available
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Releases
3

Releases

3
May 6, 2026SpaceXAI signs Colossus compute partnership with AnthropicColossus 1

SpaceXAI agreed to provide Anthropic access to Colossus 1, with both companies also expressing interest in multi-gigawatt orbital AI compute.

SpaceXAI PartnershipSpaceXAIColossus 1
Feb 2025Colossus 1 expands to 200,000 GPUsColossus 1

xAI completed the second phase of Colossus 1, doubling the interconnected cluster to roughly 200,000 NVIDIA H100/H200 GPUs.

SpaceXAI EventSpaceXAIColossus 1
Sep 2, 2024Colossus 1 brought online with 100,000 H100 GPUsColossus 1

xAI brought its Memphis Colossus training cluster online with 100,000 NVIDIA H100 GPUs after a 122-day build.

SpaceXAI EventSpaceXAIColossus 1