o4-mini (high) vs o3-mini

Comparing 2 AI models · 6 benchmarks · OpenAI

Most Affordable
OpenAI logo
o4-mini (high)
$1.10/1M
Highest Intelligence
OpenAI logo
o4-mini (high)
78.4% GPQA
Best for Coding
OpenAI logo
o4-mini (high)
48.9 Coding Index
Price Difference
1.0x
input cost range

Composite Indices

Intelligence, Coding, Math

Standard Benchmarks

Academic and industry benchmarks

Benchmark Winners

6 tests
OpenAI logo

o4-mini (high)

6
  • GPQA
  • MMLU Pro
  • HLE
  • LiveCodeBench
  • MATH 500
  • AIME 2025
OpenAI logo

o3-mini

0

No clear wins

Metric
OpenAI logo o4-mini (high)
OpenAI
OpenAI logo o3-mini
OpenAI
Pricing
Per 1M tokens
Input Cost $1.10/1M $1.10/1M
Output Cost $4.40/1M $4.40/1M
Blended Cost 3:1 input/output ratio
$1.93/1M $1.93/1M
Specifications
Organization Model creator
OpenAI OpenAI
Release Date Launch date
Apr 16, 2025 Jan 31, 2025
Performance & Speed
Throughput Output speed
100.2 tok/s 124.7 tok/s
Time to First Token (TTFT) Initial response delay
21658ms 18912ms
Latency Time to first answer token
21658ms 18912ms
Composite Indices
Intelligence Index Overall reasoning capability
59.6 48.1
Coding Index Programming ability
48.9 39.4
Math Index Mathematical reasoning
90.7
Standard Benchmarks
GPQA Graduate-level reasoning
78.4% 74.8%
MMLU Pro Advanced knowledge
83.2% 79.1%
HLE Hard language evaluation
17.5% 8.7%
LiveCodeBench Real-world coding tasks
85.9% 71.7%
MATH 500 Mathematical problems
98.9% 97.3%
AIME 2025 Advanced math competition
90.7%
AIME (Original) Math olympiad problems
94.0% 77.0%
SciCode Scientific code generation
46.5% 39.9%
LCR Code review capability
55.0%
IFBench Instruction-following
68.7%
TAU-bench v2 Tool use & agentic tasks
55.6% 28.7%
TerminalBench Hard CLI command generation
14.2% 6.4%

Key Takeaways

o4-mini (high) offers the best value at $1.10/1M, making it ideal for high-volume applications and cost-conscious projects.

o4-mini (high) leads in reasoning capabilities with a 78.4% GPQA score, excelling at complex analytical tasks and problem-solving.

o4-mini (high) achieves a 48.9 coding index, making it the top choice for software development and code generation tasks.

All models support context windows of ∞+ tokens, suitable for processing lengthy documents and maintaining extended conversations.

When to Choose Each Model

OpenAI logo

o4-mini (high)

  • Cost-sensitive applications
  • High-volume processing
  • Complex reasoning tasks
  • Research & analysis
  • Code generation
  • Software development
OpenAI logo

o3-mini

  • General-purpose AI
  • Versatile applications

Cost Calculator

OpenAI logo o4-mini (high)
$0.00
per month
OpenAI logo o3-mini
$0.00
per month

Costs are estimates based on API pricing. Actual costs may vary based on caching, batch processing, and volume discounts.