GPT-5.5 Instant vs Kimi K3
As of Oct 14, 2026, GPT-5.5 Instant leads Kimi K3 in 0 of 5 shared categories.
GPT-5.5 Instant
#31 Best current rank: #31 in General LLM, as of Oct 14, 2026.
Kimi K3
Yes. Yes on General LLM (open weights); Reasoning (open weights). Not the overall leader.
| Category | GPT-5.5 Instant | Kimi K3 |
|---|---|---|
| General LLM | #31 · #31 in General LLM Margin 21.088435374149654 LMArena leaderboard dataset · Oct 13, 2026 | #13 · #13 in General LLM Margin 8.84353741496598 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #33 · #33 in Reasoning Margin 23.28767123287672 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 | #65 · #65 in Science Margin — Epoch AI benchmarking hub · May 5, 2026 | #17 · #17 in Science Margin — Epoch AI benchmarking hub · Jul 16, 2026 |
| Coding | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — Scale Labs leaderboards · Oct 14, 2026 |
| Coding › Web dev | — | #11 · Was SOTA · Coding › Web dev Margin 9.34579439252336 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #39 · #39 in Long context Margin 26.530612244897952 LMArena leaderboard dataset · Oct 13, 2026 | #8 · Was SOTA · Long context Margin 5.442176870748298 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 | #22 · #22 in Vision Margin 60.526315789473685 Epoch AI benchmarking hub · Jul 16, 2026 |
| Factuality | #64 · #64 in Factuality Margin 48.507462686567166 LMArena leaderboard dataset · Oct 13, 2026 | #19 · #19 in Factuality Margin 14.925373134328368 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | — | #8 · #8 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Jul 16, 2026 |
GPT-5.5 Instant: price per 1M tokens is unset in the catalog.
Kimi K3: $4.185 per 1M blended tokens.
GPT-5.5 Instant: closed weights.
Kimi K3: open weights.
General LLM: As of Oct 14, 2026, Kimi K3 leads GPT-5.5 Instant in General LLM at #13 against #31.
Reasoning: As of Oct 14, 2026, Kimi K3 leads GPT-5.5 Instant in Reasoning at #7 against #33.
Science: As of Oct 14, 2026, Kimi K3 leads GPT-5.5 Instant in Science at #17 against #65.
Long context: As of Oct 14, 2026, Kimi K3 leads GPT-5.5 Instant in Long context at #8 against #39.
Factuality: As of Oct 14, 2026, Kimi K3 leads GPT-5.5 Instant in Factuality at #19 against #64.
GPT-5.5 Instant or Kimi K3?
As of Oct 14, 2026, GPT-5.5 Instant leads Kimi K3 in 0 of 5 shared categories.
GPT-5.5 Instant or Kimi K3 for General LLM?
As of Oct 14, 2026, Kimi K3 leads GPT-5.5 Instant in General LLM at #13 against #31.
GPT-5.5 Instant or Kimi K3 for Reasoning?
As of Oct 14, 2026, Kimi K3 leads GPT-5.5 Instant in Reasoning at #7 against #33.
GPT-5.5 Instant or Kimi K3 for Science?
As of Oct 14, 2026, Kimi K3 leads GPT-5.5 Instant in Science at #17 against #65.