Is GPT-4o mini better than DeepSeek Chat V3 for coding?

GPT-4o mini scores 58 overall vs DeepSeek Chat V3's 62. DeepSeek Chat V3 has stronger benchmark performance, but pricing also matters — GPT-4o mini costs $0.150/M input vs $0.270/M for DeepSeek Chat V3.

Which is cheaper: GPT-4o mini or DeepSeek Chat V3?

GPT-4o mini is cheaper per million input tokens at $0.15/M vs $0.27/M.

What is the price-performance ratio of GPT-4o mini vs DeepSeek Chat V3?

Based on benchmark scores, GPT-4o mini costs $0.003 per score point while DeepSeek Chat V3 costs $0.004 per score point. GPT-4o mini offers better value.

GPT-4o mini vs DeepSeek Chat V3

Performance benchmarks + pricing comparison — updated April 2026

GPT-4o mini

OpenAI

Affordable small model. Fast and cost-effective for high-volume coding tasks.

Input	$0.150/M
Output	$0.600/M
Context	128K tokens
Best For	High-volume tasks, simple coding, cost-sensitive projects
Benchmark	58/100

DeepSeek Chat V3

DeepSeek

Very affordable general-purpose model from DeepSeek. Strong coding and reasoning at low cost.

Input	$0.270/M
Output	$1.10/M
Context	128K tokens
Best For	Cost-sensitive projects, coding, general tasks
Benchmark	62/100

Benchmark Performance Comparison

Third-party benchmark scores — higher is better. Data sourced from SWE-bench, LiveCodeBench, HumanEval, and BigCodeBench.

Benchmark	GPT-4o mini	DeepSeek Chat V3	Leader
Overall Score	58	62	DeepSeek Chat (V3) leads by 4pts
SWE-bench Verified	50	56	DeepSeek Chat (V3) leads by 6pts
LiveCodeBench	60	64	DeepSeek Chat (V3) leads by 4pts
HumanEval	78	84	DeepSeek Chat (V3) leads by 6pts
BigCodeBench	44	46	DeepSeek Chat (V3) leads by 2pts

Cost Comparison by Scenario

Estimated cost per project with 30% cache hit rate. Actual costs may vary based on usage patterns.

Scenario	GPT-4o mini	DeepSeek Chat V3	Savings
Small Script (1K lines)	$0.02	$0.04	GPT-4o mini saves $0.02 (43%)
Medium Feature (10K lines)	$0.18	$0.31	GPT-4o mini saves $0.13 (42%)
Large Project (50K lines)	$0.92	$1.57	GPT-4o mini saves $0.65 (42%)
Code Review (5K lines)	$0.05	$0.07	GPT-4o mini saves $0.03 (37%)

Value Analysis (Price per Benchmark Score Point)

Lower is better — how much you pay for each point of benchmark performance.

Model	Overall Score	Price per Score Point	Verdict
GPT-4o mini	58	$0.003/pt	Better value
DeepSeek Chat V3	62	$0.004/pt	Higher cost per point

GPT-4o mini delivers the best value at $0.003 per score point.

Strengths & Weaknesses

GPT-4o mini

+ Very cheap
+ Fast responses
- Struggles with multi-step reasoning

DeepSeek Chat V3

+ Excellent value
+ Strong coding focus
- Less general-purpose

Verdict

GPT-4o mini is cheaper at $0.150/M, but DeepSeek Chat V3 scores higher on benchmarks (62 vs 58).

Choose GPT-4o mini for cost-sensitive projects, DeepSeek Chat V3 when performance matters most.

Compare with Other Models

Claude Sonnet 4

Anthropic

Anthropic's balanced model for coding and general tasks. Best price-performance ratio in the Claude family.

$3.00/M input $15.00/M output ~$4.66 per medium feature

Claude Opus 4

Anthropic

Anthropic's most powerful model. Best for complex reasoning and challenging coding tasks.

$15.00/M input $75.00/M output ~$23.29 per medium feature

Claude 3.5 Sonnet

Anthropic

Previous generation Sonnet. Still excellent for coding tasks at the same price point.

$3.00/M input $15.00/M output ~$4.66 per medium feature

Claude 3.5 Haiku

Anthropic

Fast, cost-effective model for high-volume tasks. Great for code review and simple queries.

$0.800/M input $4.00/M output ~$1.24 per medium feature

Claude 3 Opus

Anthropic

First generation Opus. Highest reasoning capability in the Claude 3 family.

$15.00/M input $75.00/M output ~$20.25 per medium feature

Claude 3 Sonnet

Anthropic

First generation Sonnet. Balanced performance for general tasks.

$3.00/M input $15.00/M output ~$4.05 per medium feature