Gemini 2.5 Flash vs GPT-4.1 Nano

Side-by-side comparison of pricing, capabilities, benchmarks, and use case fit.

G

Gemini 2.5 Flash

Google

Overall 90

fast

O

GPT-4.1 Nano

OpenAI

Overall 70

fast

Capability radar

Normalized coding, reasoning, writing, vision, context, and value

Gemini 2.5 FlashGPT-4.1 Nano

Comparison of Gemini 2.5 Flash vs GPT-4.1 Nano
Metric	Gemini 2.5 Flash	GPT-4.1 Nano
Input Price / 1M	$0.15	$0.10
Output Price / 1M	$0.60	$0.40
Combined Price / 1M	$0.75	$0.50
Context Window	1,048,576	1,047,576
Coding Score	88	75
Reasoning Score	89	72
Vision Score	94	60
Audio	Yes	No
Streaming	Yes	Yes
Function Calling	Yes	Yes
Latency Tier	fast	fast
Release Date	4/17/2025	4/14/2025

Gemini 2.5 Flash — Strengths & Weaknesses

Strengths

Thinking mode
Excellent multimodal
Low cost

Weaknesses

Preview API stability

GPT-4.1 Nano — Strengths & Weaknesses

Strengths

Lowest OpenAI cost
1M context

Weaknesses

Limited on complex generation

Use Case Verdicts

Coding

Gemini 2.5 Flash

Gemini 2.5 Flash scores 88 vs 75 on coding benchmarks.

General Chat

Gemini 2.5 Flash

Gemini 2.5 Flash leads on writing quality (87 vs 74).

Long Context

Gemini 2.5 Flash

Gemini 2.5 Flash offers 1M tokens vs 1M.

Cost Efficiency

GPT-4.1 Nano is cheaper at $0.50/M combined vs $0.75/M.

Enterprise Use

Gemini 2.5 Flash

Gemini 2.5 Flash combines strong reasoning, tooling, and context for enterprise workloads.

Agent Workflows

Gemini 2.5 Flash

Gemini 2.5 Flash is better suited for agentic workflows with tool use and coding capability.