Compare · AI models

Kimi K3 vs Grok 4.6

RANKED BY EPOCH CAPABILITIES INDEX (ECI) #12 VS #18 CHECKED 28 SEPT 2026

Side by side

Verdict

Kimi K3 ranks #12 of 20 on Epoch Capabilities Index (ECI) (157.68); Grok 4.6 ranks #18 (156.48).

Rank 12 of 20 · leads

Kimi K3

Epoch Capabilities Index (ECI)

157.68

MakerMoonshot

Date2026

Verified—

Evidence

Epoch AI epoch_capabilities_index/eci_scores.csv (LLM Benchmark Data ZIP, fetched 2026-09-28). ECI 157.68, accessibility Open weights (non-commercial), release date 2026-07-16. Pricing/context via Statlyte (statlyte.com/models/fireworks/kimi-k3), MIT licensed.

Rank 18 of 20

Grok 4.6

Epoch Capabilities Index (ECI)

156.48

MakerxAI

Date2026

Verified—

Evidence

Epoch AI epoch_capabilities_index/eci_scores.csv (LLM Benchmark Data ZIP, fetched 2026-09-28). ECI 156.48, accessibility API access, release date 2026-08-12. Pricing/context via Statlyte (statlyte.com/models/xai/grok-4-6), MIT licensed.

Try another pair

More Kimi K3 matchups

Source Ranking: Epoch AI, AI Benchmarking Hub, Epoch Capabilities Index (epoch.ai/data/benchmark_data.zip, CC BY 4.0). Per-entry pricing/context:… Last checked 28 Sept 2026

Full AI models ranking Spot an error? Send a tip