Moonshot Kimi K3 Sets New Open-Weights Record on Epoch Capabilities Index

Moonshot's Kimi K3 achieved a score of 156 on the Epoch Capabilities Index (ECI), surpassing previous open-weight models. This performance positions Kimi K3 between Anthropic's Opus 4.6 and OpenAI's GPT 5.4, and ahead of GPT 5.6 Luna.

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Sources (1)

General AI Twitter · Twitter · 8h ago

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Related Signals

5d agoModel ReleaseKimi.ai Introduces Kimi K3 Open Frontier Intelligence Model→3d agoBenchmarkKimi-K3 Achieves Preliminary ECI Score of 155.53, Surpassing Opus 4.6 and GPT-5.3-Codex→10h agoBenchmarkKimi K3 Achieves Capability Parity with Anthropic Opus 4.6, Six Months After Release→2d agoBenchmarkKimi K3 Shows Discontinuous Jump in Frontier Math, Nearing GPT-5.4 Pro ECI→5d agoBenchmarkMoonshot Kimi K3 Model Ranks #2 Overall on Vals Index, Surpassing GPT 5.6 Sol→

Credibility

Lead sourceGeneral AI Twitter

Corroboration1 distinct outlet

VerificationSingle source

Entities

Anthropicrelated OpenAIrelated

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Updated 8h ago · 1 source

Moonshot Kimi K3 Sets New Open-Weights Record on Epoch Capabilities Index

Moonshot's Kimi K3 achieved a score of 156 on the Epoch Capabilities Index (ECI), surpassing previous open-weight models. This performance positions Kimi K3 between Anthropic's Opus 4.6 and OpenAI's GPT 5.4, and ahead of GPT 5.6 Luna.

View Tweet→

Sources (1)

Moonshot Kimi K3 Sets New Open-Weights Record on Epoch Capabilities Index

General AI Twitter · Twitter · 8h ago

View tweet→

Related Signals

5d agoModel ReleaseKimi.ai Introduces Kimi K3 Open Frontier Intelligence Model→3d agoBenchmarkKimi-K3 Achieves Preliminary ECI Score of 155.53, Surpassing Opus 4.6 and GPT-5.3-Codex→10h agoBenchmarkKimi K3 Achieves Capability Parity with Anthropic Opus 4.6, Six Months After Release→2d agoBenchmarkKimi K3 Shows Discontinuous Jump in Frontier Math, Nearing GPT-5.4 Pro ECI→5d agoBenchmarkMoonshot Kimi K3 Model Ranks #2 Overall on Vals Index, Surpassing GPT 5.6 Sol→

Credibility

Lead sourceGeneral AI Twitter

Corroboration1 distinct outlet

VerificationSingle source

Entities

Anthropicrelated OpenAIrelated

Unlock the full signal with Pro

Tessara synthesizes 80+ data sources into actionable intelligence for AI infrastructure investors.

Unlock with Pro→Sign in