GPT-4o vs Claude 3 Opus
Pricing, context window, and benchmark comparison · Last updated April 2026
GPT-4o is cheaper than Claude 3 Opus at $2.50/1M/1M vs $15.00/1M/1M input tokens — a 6.0x cost difference. GPT-4o scores higher on quality benchmarks (ELO 1286). Choose GPT-4o for cost-sensitive workloads; both are strong choices depending on your budget.
Which is cheaper: GPT-4o or Claude 3 Opus?
GPT-4o is the cheaper option at $2.50/1M per 1M input tokens, compared to $15.00/1M for Claude 3 Opus. That is a 6.0x cost difference on input tokens. Output pricing follows a similar pattern: GPT-4o charges $10.00/1M/1M vs $75.00/1M/1M for Claude 3 Opus.
Which has better quality: GPT-4o or Claude 3 Opus?
Based on LMSYS Chatbot Arena rankings, GPT-4o achieves a higher ELO score (1286 vs 1249), suggesting stronger performance on open-ended tasks. GPT-4o excels at multimodal: handles text, images, and audio natively. Claude 3 Opus is known for best claude model for creative writing.
Which should you choose: GPT-4o or Claude 3 Opus?
- → Multimodal: handles text, images, and audio natively
- → Strong reasoning and instruction following
- → Excellent coding capabilities
- → Best Claude model for creative writing
- → 200K context window
- → Deep, thoughtful long-form analysis
Frequently Asked Questions
Which is cheaper: GPT-4o or Claude 3 Opus?
GPT-4o is cheaper at $2.50/1M per 1M input tokens, making it 6.0x more affordable.
Which has better quality: GPT-4o or Claude 3 Opus?
GPT-4o scores higher on the LMSYS Chatbot Arena with an ELO of 1286, suggesting better overall quality for most tasks.
Which has a larger context window: GPT-4o or Claude 3 Opus?
Claude 3 Opus has a larger context window at 200K tokens.
Should I choose GPT-4o or Claude 3 Opus?
Choose GPT-4o if cost is the priority. Choose GPT-4o if benchmark quality is most important. Consider your specific use case: GPT-4o is best for coding and image-understanding, while Claude 3 Opus excels at creative-writing and research.
Is GPT-4o or Claude 3 Opus open source?
GPT-4o is proprietary. Claude 3 Opus is proprietary.