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Compare · 2026-10-15

Gemini 3.7 Flash vs GPT-5.5 Instant

As of Oct 15, 2026, Gemini 3.7 Flash leads GPT-5.5 Instant in 5 of 5 shared categories: General LLM, Reasoning, Science, Long context, and Factuality.

CategoryGemini 3.7 FlashGPT-5.5 Instant
General LLM
#14 · #14 in General LLM
Margin 7.4468085106382915
LMArena leaderboard dataset · Oct 13, 2026
#36 · #36 in General LLM
Margin 19.148936170212764
LMArena leaderboard dataset · Oct 13, 2026
Reasoning
#16 · #16 in Reasoning
Margin 9.042553191489361
LMArena leaderboard dataset · Oct 13, 2026
#38 · #38 in Reasoning
Margin 20.744680851063833
LMArena leaderboard dataset · Oct 13, 2026
Math
#— · Not enough data
Margin —
LMArena leaderboard dataset · Oct 13, 2026
#— · Not enough data
Margin —
LMArena leaderboard dataset · Oct 13, 2026
Science
#5 · #5 in Science
Margin —
Epoch AI benchmarking hub · Aug 13, 2026
#65 · #65 in Science
Margin —
Epoch AI benchmarking hub · May 5, 2026
Coding
#20 · #20 in Coding
Margin 100
Terminal-Bench Harbor Hub · Oct 6, 2026
#— · Not enough data
Margin —
LMArena leaderboard dataset · Oct 13, 2026
Coding › Agentic
#20 · #20 in Coding › Agentic
Margin 100
Terminal-Bench Harbor Hub · Oct 6, 2026
—
Coding › Web dev
#27 · #27 in Coding › Web dev
Margin 20.799999999999997
LMArena leaderboard dataset · Oct 13, 2026
—
Long context
#14 · #14 in Long context
Margin 7.4468085106382915
LMArena leaderboard dataset · Oct 13, 2026
#46 · #46 in Long context
Margin 24.468085106382972
LMArena leaderboard dataset · Oct 13, 2026
Vision
#14 · #14 in Vision
Margin 39.473684210526315
Epoch AI benchmarking hub · Aug 13, 2026
#— · Not enough data
Margin —
LMArena leaderboard dataset · Oct 9, 2026
Factuality
#16 · Was SOTA · Factuality
Margin 9.883720930232556
LMArena leaderboard dataset · Oct 13, 2026
#78 · #78 in Factuality
Margin 45.93023255813954
LMArena leaderboard dataset · Oct 13, 2026
Abstraction (ARC)
#6 · #6 in Abstraction (ARC)
Margin —
Epoch AI benchmarking hub · Aug 13, 2026
—
Price per 1M tokens

Gemini 3.7 Flash: $1.5 per 1M blended tokens.

GPT-5.5 Instant: price per 1M tokens is unset in the catalog.

Open weights

Gemini 3.7 Flash: closed weights.

GPT-5.5 Instant: closed weights.

Which to pick

General LLM: As of Oct 15, 2026, Gemini 3.7 Flash leads GPT-5.5 Instant in General LLM at #14 against #36.

Reasoning: As of Oct 15, 2026, Gemini 3.7 Flash leads GPT-5.5 Instant in Reasoning at #16 against #38.

Science: As of Oct 15, 2026, Gemini 3.7 Flash leads GPT-5.5 Instant in Science at #5 against #65.

Long context: As of Oct 15, 2026, Gemini 3.7 Flash leads GPT-5.5 Instant in Long context at #14 against #46.

Factuality: As of Oct 15, 2026, Gemini 3.7 Flash leads GPT-5.5 Instant in Factuality at #16 against #78.

Gemini 3.7 Flash · GPT-5.5 Instant

Gemini 3.7 Flash or GPT-5.5 Instant?

As of Oct 15, 2026, Gemini 3.7 Flash leads GPT-5.5 Instant in 5 of 5 shared categories: General LLM, Reasoning, Science, Long context, and Factuality.

Gemini 3.7 Flash or GPT-5.5 Instant for General LLM?

As of Oct 15, 2026, Gemini 3.7 Flash leads GPT-5.5 Instant in General LLM at #14 against #36.

Gemini 3.7 Flash or GPT-5.5 Instant for Reasoning?

As of Oct 15, 2026, Gemini 3.7 Flash leads GPT-5.5 Instant in Reasoning at #16 against #38.

Gemini 3.7 Flash or GPT-5.5 Instant for Science?

As of Oct 15, 2026, Gemini 3.7 Flash leads GPT-5.5 Instant in Science at #5 against #65.