← All Comparisons

GPT-4o Mini vs Claude Sonnet 4.6

A detailed comparison of GPT-4o Mini (OpenAI) and Claude Sonnet 4.6 (Anthropic) across pricing, performance, and features.

Pricing Comparison

MetricGPT-4o MiniClaude Sonnet 4.6Difference
Input / 1M tokens$0.15$3.00+1900%
Output / 1M tokens$0.60$15.00+2400%
Context window128K200K
Max output16.384K16K

Benchmark Comparison

BenchmarkGPT-4o MiniClaude Sonnet 4.6
MMLU-Pro68%86%
HumanEval87.2%94%
GPQA70%

Capabilities

CapabilityGPT-4o MiniClaude Sonnet 4.6
code
reasoning
text
tool-use
vision

GPT-4o Mini Strengths

  • Extremely cheap
  • Fast responses
  • Good enough for many production tasks

GPT-4o Mini Weaknesses

  • Weaker reasoning than full models
  • Can hallucinate more on complex topics

Claude Sonnet 4.6 Strengths

  • Opus 4.5 quality at 1/5th the cost
  • Best value for production workloads
  • 1M context in beta

Claude Sonnet 4.6 Weaknesses

  • Long context pricing doubles above 200K
  • Slightly below Opus 4.6 on hardest tasks

Quick Verdict

Best value: GPT-4o Mini is the more affordable option at $0.15/$0.6 per 1M tokens.

Higher benchmarks: Claude Sonnet 4.6 scores higher on average across available benchmarks (83.3% avg).

Larger context: Claude Sonnet 4.6 supports 200K tokens.

Choose GPT-4o Mini if cost matters most. Choose Claude Sonnet 4.6 if you need the best possible quality for complex tasks.

More Comparisons