All Comparisons

Gemini 2.5 Flash vs GPT-4.1

Gemini 2.5 Flash
Google 🇺🇸
43.4
#216—
medium
$0.30/M in · $2.50/M out
1M context
GPT-4.1
OpenAI 🇺🇸
32.4
#263—
high
$2.00/M in · $8.00/M out
1.0M context
Most Affordable
Gemini 2.5 Flash
$0.30/M input
Largest Context
GPT-4.1
1.0M tokens
Best Benchmark Score
Gemini 2.5 Flash
43.4/100

Model Specifications

SpecGemini 2.5 FlashGPT-4.1
ProviderGoogleOpenAI
Release DateMay 2025Apr 2025
Knowledge Cutoff2025-01-312024-06-01
ParametersUndisclosedUndisclosed
Context Window1M1.0M
Max Output——
Open SourceNoNo
Licenseproprietaryproprietary
Tokenizer——
Modality——
Reasoning ModelNoNo
ModeratedNoNo

Pricing Comparison

Price (per 1M tokens)Gemini 2.5 FlashGPT-4.1
Input$0.30$2.00
Output$2.50$8.00

API Provider Pricing

Capabilities

FeatureGemini 2.5 FlashGPT-4.1
Text Input
Image Input (Vision)
Audio Input
Video Input
File Input
Image Output
Audio Output
Tool Use
Structured Output (JSON)
Streaming
Reasoning Tokens
Web Search
Temperature Control
Top-P Sampling
Stop Sequences
Seed (Reproducibility)
Log Probabilities

Category Comparison

Benchmark-by-Benchmark

general

BenchmarkGemini 2.5 FlashGPT-4.1
SimpleQA
26.9
—
MMMLU—
87.3

coding

BenchmarkGemini 2.5 FlashGPT-4.1
SWE-bench Verified
60.4
54.6

math

BenchmarkGemini 2.5 FlashGPT-4.1
AIME 2025
72
46.4

reasoning

BenchmarkGemini 2.5 FlashGPT-4.1
GPQA Diamond
82.8
66.3
Humanity's Last Exam
11
5.4

multimodal

BenchmarkGemini 2.5 FlashGPT-4.1
MMMU
79.7
74.8
CharXiv Reasoning—
56.7

agent

BenchmarkGemini 2.5 FlashGPT-4.1
TAU-Bench Retail—
68

Category Winners

coding
Gemini 2.5 Flash
36.9
math
Gemini 2.5 Flash
36.2
reasoning
Gemini 2.5 Flash
44.8
general
GPT-4.1
66.3
multimodal
Gemini 2.5 Flash
79.5
agent
GPT-4.1
50.7

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Frequently Asked Questions