GPT-6 Astra vs Step 5 Preview
As of Oct 14, 2026, GPT-6 Astra leads Step 5 Preview 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.
Step 5 Preview
#31 Best current rank: #31 in Coding › Web dev, as of Oct 14, 2026.
| Category | GPT-6 Astra | Step 5 Preview |
|---|---|---|
| General LLM | #25 · #25 in General LLM Margin 17.006802721088434 LMArena leaderboard dataset · Oct 13, 2026 | #60 · #60 in General LLM Margin 40.816326530612244 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #23 · #23 in Reasoning Margin 16.438356164383563 LMArena leaderboard dataset · Oct 13, 2026 | #49 · #49 in Reasoning Margin 34.246575342465746 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 | #31 · #31 in Coding › Web dev Margin 28.037383177570092 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #22 · #22 in Long context Margin 14.965986394557817 LMArena leaderboard dataset · Oct 13, 2026 | #56 · #56 in Long context Margin 38.095238095238095 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 | #57 · #57 in Factuality Margin 43.28358208955224 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.
Step 5 Preview: $1.4249999999999998 per 1M blended tokens.
GPT-6 Astra: closed weights.
Step 5 Preview: closed weights.
General LLM: As of Oct 14, 2026, GPT-6 Astra leads Step 5 Preview in General LLM at #25 against #60.
Reasoning: As of Oct 14, 2026, GPT-6 Astra leads Step 5 Preview in Reasoning at #23 against #49.
Coding › Web dev: As of Oct 14, 2026, GPT-6 Astra leads Step 5 Preview in Coding › Web dev at #2 against #31.
Long context: As of Oct 14, 2026, GPT-6 Astra leads Step 5 Preview in Long context at #22 against #56.
Factuality: As of Oct 14, 2026, GPT-6 Astra leads Step 5 Preview in Factuality at #25 against #57.
GPT-6 Astra or Step 5 Preview?
As of Oct 14, 2026, GPT-6 Astra leads Step 5 Preview in 5 of 5 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, and Factuality.
GPT-6 Astra or Step 5 Preview for General LLM?
As of Oct 14, 2026, GPT-6 Astra leads Step 5 Preview in General LLM at #25 against #60.
GPT-6 Astra or Step 5 Preview for Reasoning?
As of Oct 14, 2026, GPT-6 Astra leads Step 5 Preview in Reasoning at #23 against #49.
GPT-6 Astra or Step 5 Preview for Coding › Web dev?
As of Oct 14, 2026, GPT-6 Astra leads Step 5 Preview in Coding › Web dev at #2 against #31.