PriceIndex

Models, measured side by side

Gemini 2.5 Pro vs GPT-4.1

Compare Gemini 2.5 Pro, GPT-4.1 by token pricing, context length, benchmark results, speed and tool support.

Monthly workload

Monthly cost breakdown

InputOutput

Gemini 2.5 Pro

$75 / mo

GPT-4.1

$80 / mo

Performance comparison

Gemini 2.5 Pro

16.1

GPT-4.1

12.7

Overview

Released
Gemini 2.5 Pro
2025-03
GPT-4.1
2025-04
Status
Gemini 2.5 Pro
Active
GPT-4.1
Active
Input formats
Gemini 2.5 Pro
textimagefileaudiovideo
GPT-4.1
imagetextfile
Output formats
Gemini 2.5 Pro
text
GPT-4.1
text

Pricing & capacity

Input / 1M tokens
Gemini 2.5 Pro
$1.25
GPT-4.1
$2.00
Output / 1M tokens
Gemini 2.5 Pro
$10
GPT-4.1
$8.00
Cached input / 1M
Gemini 2.5 Pro
$0.13
GPT-4.1
$0.50
Monthly cost
Gemini 2.5 Pro
$75
GPT-4.1
$80
Context window
Gemini 2.5 Pro
1M
GPT-4.1
1M
Maximum output
Gemini 2.5 Pro
66K
GPT-4.1
33K

Benchmarks & performance

Arena Elo
Gemini 2.5 Pro
1,255
GPT-4.1
1,200
MMLU-Pro
Gemini 2.5 Pro
82.8%
GPT-4.1
73.6%
Intelligence Index
Gemini 2.5 Pro
16.1
GPT-4.1
12.7
GPQA
Gemini 2.5 Pro
84.4%
GPT-4.1
66.6%
Humanity’s Last Exam
Gemini 2.5 Pro
22.5%
GPT-4.1
4.2%
SciCode
Gemini 2.5 Pro
46.3%
GPT-4.1
Not listed

6 of 10

Tools & features

Function calling
Gemini 2.5 Pro
Supported
GPT-4.1
Supported
Structured outputs
Gemini 2.5 Pro
Supported
GPT-4.1
Supported
JSON mode
Gemini 2.5 Pro
Supported
GPT-4.1
Supported
Reasoning
Gemini 2.5 Pro
Supported
GPT-4.1
Not listed
Built-in web search
Gemini 2.5 Pro
Not listed
GPT-4.1
Not listed
Log probabilities
Gemini 2.5 Pro
Not listed
GPT-4.1
Not listed

6 of 9

API & availability

API identifier
Gemini 2.5 Pro
gemini-2.5-pro
GPT-4.1
gpt-4.1
API providers
Gemini 2.5 Pro
Google, Google, Google AI Studio, Google, Google AI Studio, Google, Google AI Studio
GPT-4.1
Azure, OpenAI, Azure
Knowledge cutoff
Gemini 2.5 Pro
2025-01-31
GPT-4.1
2024-06-30
Prices checked
Gemini 2.5 Pro
Oct 8, 2026
GPT-4.1
Oct 8, 2026

About the models

Gemini 2.5 Pro

Google's thinking model with 1M-token context.

Full pricing & details

GPT-4.1

Non-reasoning GPT-4.1 with a 1M-token context window, strong at instruction following and coding.

Full pricing & details

Comparison FAQ

Gemini 2.5 Pro: $1.25 input and $10 output per million tokens. GPT-4.1: $2.00 input and $8.00 output per million tokens. The cheaper choice depends on your input-to-output ratio; a model can have a lower input rate but a higher output rate.

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