Gemini 3 Pro vs GPT-4.1

Benchmarks, API pricing and specs, head to head. Data updated 2026-06-10.

Gemini 3 Pro

Google · Nov 2025

73.6

Google's November 2025 frontier breakout — 91.9% GPQA Diamond and 37.5% HLE made it the reasoning leader of its generation.

GPT-4.1

OpenAI · Apr 2025

A non-reasoning workhorse with a 1M-token context window, still popular for predictable-latency production APIs.

The verdict

Gemini 3 Pro wins 3 of the 3 benchmarks these models share, against 0 for GPT-4.1. GPT-4.1 is about 1.3x cheaper per blended million tokens (3:1 input:output mix).

Benchmark head-to-head 30

SWE-bench Verified
76.2%54.6%
Gemini 3 ProGPT-4.1
GPQA Diamond
91.9%66.3%
Gemini 3 ProGPT-4.1
MMMU
~87%74.8%
Gemini 3 ProGPT-4.1

Specs & pricing

Gemini 3 ProGPT-4.1
modhub Index73.6
Input price / 1M$2$2
Output price / 1M$12$8
Context window1M1M
Max output66K33K
Open weightsnono
Reasoning modelyesno
Multimodal inputtext, image, audio, videotext, image
Knowledge cutoffJan 2025Jun 2024
ReleasedNov 2025Apr 2025
Example monthly cost*$38.00$32.00

* 10M input + 1.5M output tokens per month at list prices, no caching. Green = better value on that row.

Frequently asked questions

Which is better, Gemini 3 Pro or GPT-4.1?
Gemini 3 Pro wins 3 of the 3 benchmarks these models share, against 0 for GPT-4.1. GPT-4.1 is about 1.3x cheaper per blended million tokens (3:1 input:output mix).
Which is cheaper, Gemini 3 Pro or GPT-4.1?
Gemini 3 Pro costs $2/$12 per million input/output tokens, while GPT-4.1 costs $2/$8. For a typical workload of 10M input and 1.5M output tokens per month, that's $38.00 versus $32.00.
Which model is better for coding, Gemini 3 Pro or GPT-4.1?
On SWE-bench Verified — the standard agentic-coding benchmark — Gemini 3 Pro scores 76.2% versus 54.6% for GPT-4.1, making Gemini 3 Pro the stronger pick for coding agents.

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