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Compare · 2026-10-15

GPT-5.4 vs GPT-6 Astra

As of Oct 15, 2026, GPT-5.4 leads GPT-6 Astra in 1 of 8 shared categories: Factuality.

CategoryGPT-5.4GPT-6 Astra
General LLM
#30 · Was SOTA · General LLM
Margin 15.957446808510639
LMArena leaderboard dataset · Oct 13, 2026
#26 · #26 in General LLM
Margin 13.829787234042556
LMArena leaderboard dataset · Oct 13, 2026
Reasoning
#32 · #32 in Reasoning
Margin 17.55319148936171
LMArena leaderboard dataset · Oct 13, 2026
#24 · #24 in Reasoning
Margin 13.297872340425528
LMArena leaderboard dataset · Oct 13, 2026
Math
#9 · #9 in Math
Margin 17.777777777777757
Epoch AI benchmarking hub · Mar 5, 2026
#1 · SOTA · Math
Margin 0
Epoch AI benchmarking hub · Sep 3, 2026
Science
#16 · #16 in Science
Margin —
Epoch AI benchmarking hub · Mar 5, 2026
#2 · #2 in Science
Margin —
Epoch AI benchmarking hub · Sep 3, 2026
Coding
#— · Not enough data
Margin —
LMArena leaderboard dataset · Oct 13, 2026
#2 · Near-SOTA · Coding
Margin 13.63636363636364
Terminal-Bench Harbor Hub · Oct 6, 2026
Coding › Agentic—
#2 · Near-SOTA · Coding › Agentic
Margin 13.63636363636364
Terminal-Bench Harbor Hub · Oct 6, 2026
Coding › Web dev
#60 · #60 in Coding › Web dev
Margin 47.2
LMArena leaderboard dataset · Oct 13, 2026
#2 · Near-SOTA · Coding › Web dev
Margin 0.7999999999999972
LMArena leaderboard dataset · Oct 13, 2026
Long context
#40 · #40 in Long context
Margin 21.276595744680847
LMArena leaderboard dataset · Oct 13, 2026
#25 · #25 in Long context
Margin 13.297872340425528
LMArena leaderboard dataset · Oct 13, 2026
Vision
#— · Not enough data
Margin —
LMArena leaderboard dataset · Oct 9, 2026
#1 · Co-SOTA · Vision
Margin 0
Epoch AI benchmarking hub · Sep 3, 2026
Factuality
#6 · Was SOTA · Factuality
Margin 4.0697674418604635
LMArena leaderboard dataset · Oct 13, 2026
#29 · #29 in Factuality
Margin 17.441860465116278
LMArena leaderboard dataset · Oct 13, 2026
Abstraction (ARC)
#10 · #10 in Abstraction (ARC)
Margin —
Epoch AI benchmarking hub · Mar 5, 2026
#1 · #1 in Abstraction (ARC)
Margin —
Epoch AI benchmarking hub · Sep 3, 2026
Price per 1M tokens

GPT-5.4: $5.625 per 1M blended tokens.

GPT-6 Astra: $20 per 1M blended tokens.

Open weights

GPT-5.4: closed weights.

GPT-6 Astra: closed weights.

Which to pick

General LLM: As of Oct 15, 2026, GPT-6 Astra leads GPT-5.4 in General LLM at #26 against #30.

Reasoning: As of Oct 15, 2026, GPT-6 Astra leads GPT-5.4 in Reasoning at #24 against #32.

Math: As of Oct 15, 2026, GPT-6 Astra leads GPT-5.4 in Math at #1 against #9.

Science: As of Oct 15, 2026, GPT-6 Astra leads GPT-5.4 in Science at #2 against #16.

Coding › Web dev: As of Oct 15, 2026, GPT-6 Astra leads GPT-5.4 in Coding › Web dev at #2 against #60.

Long context: As of Oct 15, 2026, GPT-6 Astra leads GPT-5.4 in Long context at #25 against #40.

Factuality: As of Oct 15, 2026, GPT-5.4 leads GPT-6 Astra in Factuality at #6 against #29.

Abstraction (ARC): As of Oct 15, 2026, GPT-6 Astra leads GPT-5.4 in Abstraction (ARC) at #1 against #10.

GPT-5.4 · GPT-6 Astra

GPT-5.4 or GPT-6 Astra?

As of Oct 15, 2026, GPT-5.4 leads GPT-6 Astra in 1 of 8 shared categories: Factuality.

GPT-5.4 or GPT-6 Astra for General LLM?

As of Oct 15, 2026, GPT-6 Astra leads GPT-5.4 in General LLM at #26 against #30.

GPT-5.4 or GPT-6 Astra for Reasoning?

As of Oct 15, 2026, GPT-6 Astra leads GPT-5.4 in Reasoning at #24 against #32.

GPT-5.4 or GPT-6 Astra for Math?

As of Oct 15, 2026, GPT-6 Astra leads GPT-5.4 in Math at #1 against #9.