GPT-6 Astra vs Kimi K2 5 Instant
As of Oct 14, 2026, GPT-6 Astra leads Kimi K2 5 Instant 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 Instant
#71 Best current rank: #71 in Reasoning, as of Oct 14, 2026.
| Category | GPT-6 Astra | Kimi K2 5 Instant |
|---|---|---|
| General LLM | #25 · #25 in General LLM Margin 17.006802721088434 LMArena leaderboard dataset · Oct 13, 2026 | #80 · #80 in General LLM Margin 54.42176870748299 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #23 · #23 in Reasoning Margin 16.438356164383563 LMArena leaderboard dataset · Oct 13, 2026 | #71 · #71 in Reasoning Margin 49.31506849315068 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 | #71 · #71 in Coding › Web dev Margin 65.42056074766356 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #22 · #22 in Long context Margin 14.965986394557817 LMArena leaderboard dataset · Oct 13, 2026 | #78 · #78 in Long context Margin 53.06122448979592 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 | #85 · #85 in Factuality Margin 64.17910447761194 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 Instant: price per 1M tokens is unset in the catalog.
GPT-6 Astra: closed weights.
Kimi K2 5 Instant: open weights.
General LLM: As of Oct 14, 2026, GPT-6 Astra leads Kimi K2 5 Instant in General LLM at #25 against #80.
Reasoning: As of Oct 14, 2026, GPT-6 Astra leads Kimi K2 5 Instant in Reasoning at #23 against #71.
Coding › Web dev: As of Oct 14, 2026, GPT-6 Astra leads Kimi K2 5 Instant in Coding › Web dev at #2 against #71.
Long context: As of Oct 14, 2026, GPT-6 Astra leads Kimi K2 5 Instant in Long context at #22 against #78.
Factuality: As of Oct 14, 2026, GPT-6 Astra leads Kimi K2 5 Instant in Factuality at #25 against #85.
GPT-6 Astra · Kimi K2 5 Instant
GPT-6 Astra or Kimi K2 5 Instant?
As of Oct 14, 2026, GPT-6 Astra leads Kimi K2 5 Instant in 5 of 5 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, and Factuality.
GPT-6 Astra or Kimi K2 5 Instant for General LLM?
As of Oct 14, 2026, GPT-6 Astra leads Kimi K2 5 Instant in General LLM at #25 against #80.
GPT-6 Astra or Kimi K2 5 Instant for Reasoning?
As of Oct 14, 2026, GPT-6 Astra leads Kimi K2 5 Instant in Reasoning at #23 against #71.
GPT-6 Astra or Kimi K2 5 Instant for Coding › Web dev?
As of Oct 14, 2026, GPT-6 Astra leads Kimi K2 5 Instant in Coding › Web dev at #2 against #71.