GPT-6 Astra vs Kimi K2 5 Thinking
As of Oct 14, 2026, GPT-6 Astra leads Kimi K2 5 Thinking in 5 of 5 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, and Factuality.
GPT-6 Astra
Yes. SOTA in Math and co-SOTA in Vision.
Kimi K2 5 Thinking
It used to be. Was SOTA in Coding › Web dev.
| Category | GPT-6 Astra | Kimi K2 5 Thinking |
|---|---|---|
| General LLM | #25 · #25 in General LLM Margin 17.006802721088434 LMArena leaderboard dataset · Oct 13, 2026 | #56 · #56 in General LLM Margin 38.095238095238095 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #23 · #23 in Reasoning Margin 16.438356164383563 LMArena leaderboard dataset · Oct 13, 2026 | #58 · #58 in Reasoning Margin 40.41095890410959 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 | — |
| Coding | #2 · Near-SOTA · Coding Margin 13.63636363636364 Terminal-Bench Harbor Hub · Oct 6, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 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 | #61 · #61 in Coding › Web dev Margin 56.074766355140184 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #22 · #22 in Long context Margin 14.965986394557817 LMArena leaderboard dataset · Oct 13, 2026 | #57 · #57 in Long context Margin 38.775510204081634 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #1 · Co-SOTA · Vision Margin 0 Epoch AI benchmarking hub · Sep 3, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 |
| Factuality | #25 · #25 in Factuality Margin 19.402985074626883 LMArena leaderboard dataset · Oct 13, 2026 | #58 · #58 in Factuality Margin 44.02985074626866 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #1 · #1 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Sep 3, 2026 | — |
GPT-6 Astra: $20 per 1M blended tokens.
Kimi K2 5 Thinking: price per 1M tokens is unset in the catalog.
GPT-6 Astra: closed weights.
Kimi K2 5 Thinking: open weights.
General LLM: As of Oct 14, 2026, GPT-6 Astra leads Kimi K2 5 Thinking in General LLM at #25 against #56.
Reasoning: As of Oct 14, 2026, GPT-6 Astra leads Kimi K2 5 Thinking in Reasoning at #23 against #58.
Coding › Web dev: As of Oct 14, 2026, GPT-6 Astra leads Kimi K2 5 Thinking in Coding › Web dev at #2 against #61.
Long context: As of Oct 14, 2026, GPT-6 Astra leads Kimi K2 5 Thinking in Long context at #22 against #57.
Factuality: As of Oct 14, 2026, GPT-6 Astra leads Kimi K2 5 Thinking in Factuality at #25 against #58.
GPT-6 Astra · Kimi K2 5 Thinking
GPT-6 Astra or Kimi K2 5 Thinking?
As of Oct 14, 2026, GPT-6 Astra leads Kimi K2 5 Thinking in 5 of 5 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, and Factuality.
GPT-6 Astra or Kimi K2 5 Thinking for General LLM?
As of Oct 14, 2026, GPT-6 Astra leads Kimi K2 5 Thinking in General LLM at #25 against #56.
GPT-6 Astra or Kimi K2 5 Thinking for Reasoning?
As of Oct 14, 2026, GPT-6 Astra leads Kimi K2 5 Thinking in Reasoning at #23 against #58.
GPT-6 Astra or Kimi K2 5 Thinking for Coding › Web dev?
As of Oct 14, 2026, GPT-6 Astra leads Kimi K2 5 Thinking in Coding › Web dev at #2 against #61.