GPT-5.6 Luna vs Kimi K3
As of Oct 14, 2026, GPT-5.6 Luna leads Kimi K3 in 1 of 8 shared categories: Vision.
GPT-5.6 Luna
#16 Best current rank: #16 in Coding, as of Oct 14, 2026.
Kimi K3
Yes. Yes on General LLM (open weights); Reasoning (open weights). Not the overall leader.
| Category | GPT-5.6 Luna | Kimi K3 |
|---|---|---|
| General LLM | #53 · #53 in General LLM Margin 36.054421768707485 LMArena leaderboard dataset · Oct 13, 2026 | #13 · #13 in General LLM Margin 8.84353741496598 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #55 · #55 in Reasoning Margin 38.35616438356164 LMArena leaderboard dataset · Oct 13, 2026 | #7 · #7 in Reasoning Margin 5.479452054794521 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Science | #25 · #25 in Science Margin — Epoch AI benchmarking hub · Jul 9, 2026 | #17 · #17 in Science Margin — Epoch AI benchmarking hub · Jul 16, 2026 |
| Coding | #16 · #16 in Coding Margin 77.27272727272728 Terminal-Bench Harbor Hub · Oct 6, 2026 | #— · Not enough data Margin — Scale Labs leaderboards · Oct 14, 2026 |
| Coding › Agentic | #16 · #16 in Coding › Agentic Margin 77.27272727272728 Terminal-Bench Harbor Hub · Oct 6, 2026 | — |
| Coding › Web dev | #43 · #43 in Coding › Web dev Margin 39.25233644859813 LMArena leaderboard dataset · Oct 13, 2026 | #11 · Was SOTA · Coding › Web dev Margin 9.34579439252336 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #65 · #65 in Long context Margin 44.21768707482993 LMArena leaderboard dataset · Oct 13, 2026 | #8 · Was SOTA · Long context Margin 5.442176870748298 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #19 · #19 in Vision Margin 52.63157894736842 Epoch AI benchmarking hub · Jul 9, 2026 | #22 · #22 in Vision Margin 60.526315789473685 Epoch AI benchmarking hub · Jul 16, 2026 |
| Factuality | #35 · #35 in Factuality Margin 26.86567164179104 LMArena leaderboard dataset · Oct 13, 2026 | #19 · #19 in Factuality Margin 14.925373134328368 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #19 · #19 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Jul 9, 2026 | #8 · #8 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Jul 16, 2026 |
GPT-5.6 Luna: $0.44999999999999996 per 1M blended tokens.
Kimi K3: $4.125 per 1M blended tokens.
GPT-5.6 Luna: closed weights.
Kimi K3: open weights.
General LLM: As of Oct 14, 2026, Kimi K3 leads GPT-5.6 Luna in General LLM at #13 against #53.
Reasoning: As of Oct 14, 2026, Kimi K3 leads GPT-5.6 Luna in Reasoning at #7 against #55.
Science: As of Oct 14, 2026, Kimi K3 leads GPT-5.6 Luna in Science at #17 against #25.
Coding › Web dev: As of Oct 14, 2026, Kimi K3 leads GPT-5.6 Luna in Coding › Web dev at #11 against #43.
Long context: As of Oct 14, 2026, Kimi K3 leads GPT-5.6 Luna in Long context at #8 against #65.
Vision: As of Oct 14, 2026, GPT-5.6 Luna leads Kimi K3 in Vision at #19 against #22.
Factuality: As of Oct 14, 2026, Kimi K3 leads GPT-5.6 Luna in Factuality at #19 against #35.
Abstraction (ARC): As of Oct 14, 2026, Kimi K3 leads GPT-5.6 Luna in Abstraction (ARC) at #8 against #19.
GPT-5.6 Luna or Kimi K3?
As of Oct 14, 2026, GPT-5.6 Luna leads Kimi K3 in 1 of 8 shared categories: Vision.
GPT-5.6 Luna or Kimi K3 for General LLM?
As of Oct 14, 2026, Kimi K3 leads GPT-5.6 Luna in General LLM at #13 against #53.
GPT-5.6 Luna or Kimi K3 for Reasoning?
As of Oct 14, 2026, Kimi K3 leads GPT-5.6 Luna in Reasoning at #7 against #55.
GPT-5.6 Luna or Kimi K3 for Science?
As of Oct 14, 2026, Kimi K3 leads GPT-5.6 Luna in Science at #17 against #25.