Model Comparison

Claude Sonnet 4.6 (Non-reasoning, High Effort)
vs. o3-mini (high)

Comparing 2 AI models · 11 benchmarks · Anthropic, OpenAI

Recommended Pick

Anthropic logo Claude Sonnet 4.6 (Non-reasoning, High Effort) 10 metric wins

Strongest on: TTFT, Latency, Intelligence

Best Value

OpenAI logo

o3-mini (high)

100.0 value score

59.9 reasoning / $1.93/1M

Lowest Price

OpenAI logo

o3-mini (high)

$1.10/1M input price

Best Reasoning

OpenAI logo

o3-mini (high)

59.9 reasoning score

Blends available reasoning benchmarks

Best for Coding

Anthropic logo

Claude Sonnet 4.6 (Non-reasoning, High Effort)

46.4 coding index

Composite Indices

Higher is better; speed and price are normalized

Standard Benchmarks

Only benchmarks with data are shown

Differences That Matter

Best value

o3-mini (high) has the strongest quality-to-price mix at 100.0 out of 100 value points.

Price gap

o3-mini (high) is 3.4x cheaper on input tokens than Claude Sonnet 4.6 (Non-reasoning, High Effort).

Speed gap

o3-mini (high) generates about 4.6x as many tokens per second as Claude Sonnet 4.6 (Non-reasoning, High Effort).

Reasoning gap

o3-mini (high) leads Claude Sonnet 4.6 (Non-reasoning, High Effort) by 14.0 points on reasoning.

Coding gap

Claude Sonnet 4.6 (Non-reasoning, High Effort) leads o3-mini (high) by 29.1 points on coding.

Live compare

Response Face-Off

Run one prompt through the selected models and compare response quality with live speed and cost context.

Anthropic logo

Claude Sonnet 4.6 (Non-reasoning, High Effort)

Anthropic

Waiting

TTFT

Time

tok/s

Tokens

Cost

Waiting
OpenAI logo

o3-mini (high)

OpenAI

Waiting

TTFT

Time

tok/s

Tokens

Cost

Waiting

Which answer was more useful?

AI Chat

Chat with 80+ models

Inference API

EU-hosted inference

Full Comparison

Metric
Top Pick
Anthropic logo Claude Sonnet 4.6 (Non-reasoning, High Effort)
Anthropic
OpenAI logo o3-mini (high)
OpenAI
Pricing per 1M tokens
Input Cost $3.75/1M$1.10/1M
Output Cost $15.00/1M$4.40/1M
Blended (3:1) $6.56/1M$1.93/1M
Specifications
Organization AnthropicOpenAI
Release Date Feb 17, 2026Jan 31, 2025
Performance & Speed
Throughput 45.4 tok/s209.0 tok/s
TTFT 1241ms20882ms
Latency 1241ms20882ms
Composite Indices
Value Score 22.5100.0
Reasoning Score 45.859.9
Intelligence 44.425.2
Coding 46.417.3
Standard Benchmarks
GPQA 79.9%77.3%
MMLU Pro 80.2%
HLE 13.2%12.3%
LiveCodeBench 73.4%
MATH 500 98.5%
AIME (Original) 86.0%
SciCode 46.9%39.8%
LCR 57.7%39.3%
IFBench 41.2%67.1%
TAU-bench v2 79.5%31.3%
TerminalBench Hard 46.2%6.1%

Key Takeaways

o3-mini (high) offers the best value at $1.10/1M, making it ideal for high-volume applications and cost-conscious projects.

o3-mini (high) has the strongest reasoning profile with a 59.9 reasoning score, combining the available reasoning-heavy benchmarks.

Claude Sonnet 4.6 (Non-reasoning, High Effort) reaches a 46.4 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

Anthropic logo

Claude Sonnet 4.6 (Non-reasoning, High Effort)

  • Code generation
  • Software development
OpenAI logo

o3-mini (high)

  • Cost-sensitive applications
  • High-volume processing
  • Complex reasoning tasks
  • Research & analysis