GPT-6 Astra vs Kimi K3
As of Oct 14, 2026, GPT-6 Astra leads Kimi K3 in 4 of 8 shared categories: Science, Coding › Web dev, Vision, and Abstraction (ARC).
GPT-6 Astra
Yes. SOTA in Math and co-SOTA in Vision.
Kimi K3
Yes. Yes on General LLM (open weights); Reasoning (open weights). Not the overall leader.
| Category | GPT-6 Astra | Kimi K3 |
|---|---|---|
| General LLM | #25 · #25 in General LLM Margin 17.006802721088434 LMArena leaderboard dataset · Oct 13, 2026 | #13 · #13 in General LLM Margin 8.84353741496598 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #23 · #23 in Reasoning Margin 16.438356164383563 LMArena leaderboard dataset · Oct 13, 2026 | #7 · #7 in Reasoning Margin 5.479452054794521 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #1 · SOTA · Math Margin 0 Epoch AI benchmarking hub · Sep 3, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Science | #2 · #2 in Science Margin — Epoch AI benchmarking hub · Sep 3, 2026 | #17 · #17 in Science Margin — Epoch AI benchmarking hub · Jul 16, 2026 |
| Coding | #2 · Near-SOTA · Coding Margin 13.63636363636364 Terminal-Bench Harbor Hub · Oct 6, 2026 | #— · Not enough data Margin — Scale Labs leaderboards · Oct 14, 2026 |
| Coding › Agentic | #2 · Near-SOTA · Coding › Agentic Margin 13.63636363636364 Terminal-Bench Harbor Hub · Oct 6, 2026 | — |
| Coding › Web dev | #2 · Near-SOTA · Coding › Web dev Margin 0.9345794392523317 LMArena leaderboard dataset · Oct 13, 2026 | #11 · Was SOTA · Coding › Web dev Margin 9.34579439252336 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #22 · #22 in Long context Margin 14.965986394557817 LMArena leaderboard dataset · Oct 13, 2026 | #8 · Was SOTA · Long context Margin 5.442176870748298 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #1 · Co-SOTA · Vision Margin 0 Epoch AI benchmarking hub · Sep 3, 2026 | #22 · #22 in Vision Margin 60.526315789473685 Epoch AI benchmarking hub · Jul 16, 2026 |
| Factuality | #25 · #25 in Factuality Margin 19.402985074626883 LMArena leaderboard dataset · Oct 13, 2026 | #19 · #19 in Factuality Margin 14.925373134328368 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #1 · #1 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Sep 3, 2026 | #8 · #8 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Jul 16, 2026 |
GPT-6 Astra: $20 per 1M blended tokens.
Kimi K3: $4.125 per 1M blended tokens.
GPT-6 Astra: closed weights.
Kimi K3: open weights.
General LLM: As of Oct 14, 2026, Kimi K3 leads GPT-6 Astra in General LLM at #13 against #25.
Reasoning: As of Oct 14, 2026, Kimi K3 leads GPT-6 Astra in Reasoning at #7 against #23.
Science: As of Oct 14, 2026, GPT-6 Astra leads Kimi K3 in Science at #2 against #17.
Coding › Web dev: As of Oct 14, 2026, GPT-6 Astra leads Kimi K3 in Coding › Web dev at #2 against #11.
Long context: As of Oct 14, 2026, Kimi K3 leads GPT-6 Astra in Long context at #8 against #22.
Vision: As of Oct 14, 2026, GPT-6 Astra leads Kimi K3 in Vision at #1 against #22.
Factuality: As of Oct 14, 2026, Kimi K3 leads GPT-6 Astra in Factuality at #19 against #25.
Abstraction (ARC): As of Oct 14, 2026, GPT-6 Astra leads Kimi K3 in Abstraction (ARC) at #1 against #8.
GPT-6 Astra or Kimi K3?
As of Oct 14, 2026, GPT-6 Astra leads Kimi K3 in 4 of 8 shared categories: Science, Coding › Web dev, Vision, and Abstraction (ARC).
GPT-6 Astra or Kimi K3 for General LLM?
As of Oct 14, 2026, Kimi K3 leads GPT-6 Astra in General LLM at #13 against #25.
GPT-6 Astra or Kimi K3 for Reasoning?
As of Oct 14, 2026, Kimi K3 leads GPT-6 Astra in Reasoning at #7 against #23.
GPT-6 Astra or Kimi K3 for Science?
As of Oct 14, 2026, GPT-6 Astra leads Kimi K3 in Science at #2 against #17.