Claude Sonnet 4.6 vs GPT-4o mini
Pricing, context window, and benchmark comparison · Last updated April 2026
GPT-4o mini is cheaper than Claude Sonnet 4.6 at $0.15/1M/1M vs $3.00/1M/1M input tokens — a 20.0x cost difference. Claude Sonnet 4.6 scores higher on quality benchmarks (ELO 1310). Choose GPT-4o mini for cost-sensitive workloads; choose Claude Sonnet 4.6 for maximum quality.
Which is cheaper: Claude Sonnet 4.6 or GPT-4o mini?
GPT-4o mini is the cheaper option at $0.15/1M per 1M input tokens, compared to $3.00/1M for Claude Sonnet 4.6. That is a 20.0x cost difference on input tokens. Output pricing follows a similar pattern: Claude Sonnet 4.6 charges $15.00/1M/1M vs $0.60/1M/1M for GPT-4o mini.
Which has better quality: Claude Sonnet 4.6 or GPT-4o mini?
Based on LMSYS Chatbot Arena rankings, Claude Sonnet 4.6 achieves a higher ELO score (1310 vs 1272), suggesting stronger performance on open-ended tasks. Claude Sonnet 4.6 excels at latest claude model with improved agentic capabilities. GPT-4o mini is known for extremely low cost — cheapest flagship-family model.
Which should you choose: Claude Sonnet 4.6 or GPT-4o mini?
- → Latest Claude model with improved agentic capabilities
- → Better at multi-step autonomous workflows
- → 200K context window
- → Extremely low cost — cheapest flagship-family model
- → Fast inference
- → Good at structured data extraction
Frequently Asked Questions
Which is cheaper: Claude Sonnet 4.6 or GPT-4o mini?
GPT-4o mini is cheaper at $0.15/1M per 1M input tokens, making it 20.0x more affordable.
Which has better quality: Claude Sonnet 4.6 or GPT-4o mini?
Claude Sonnet 4.6 scores higher on the LMSYS Chatbot Arena with an ELO of 1310, suggesting better overall quality for most tasks.
Which has a larger context window: Claude Sonnet 4.6 or GPT-4o mini?
Claude Sonnet 4.6 has a larger context window at 200K tokens.
Should I choose Claude Sonnet 4.6 or GPT-4o mini?
Choose GPT-4o mini if cost is the priority. Choose Claude Sonnet 4.6 if benchmark quality is most important. Consider your specific use case: Claude Sonnet 4.6 is best for coding and function-calling, while GPT-4o mini excels at customer-support and data-extraction.
Is Claude Sonnet 4.6 or GPT-4o mini open source?
Claude Sonnet 4.6 is proprietary. GPT-4o mini is proprietary.