GPT-4oOpenAI
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Claude 4 SonnetAnthropic
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GPT-4o vs Claude 4 Sonnet

GPT-4o and Claude 4 Sonnet represent the leading frontier models from OpenAI and Anthropic respectively. Both excel at complex reasoning, coding, and creative writing, but differ in their approach to context handling, safety alignment, and multimodal capabilities.

FeatureGPT-4oClaude 4 Sonnet
ProviderOpenAIAnthropic
Context Window128K tokens200K tokens
Vision SupportYesYes
Function CallingNativeTool Use
Best ForMultimodal & tool useCoding & analysis
SpeedFastFast

Our Verdict

Both models are highly capable. GPT-4o excels at multimodal tasks and has more mature function calling, while Claude 4 Sonnet offers a larger context window and often produces more nuanced written output. Try both in the playground above to see which fits your use case.

Frequently Asked Questions

Which is better for coding, GPT-4o or Claude 4 Sonnet?

Claude 4 Sonnet generally scores higher on coding benchmarks, particularly for complex refactoring and understanding large codebases. GPT-4o is strong at code generation and debugging.

Which model is faster?

Both models have similar latency for most requests. GPT-4o may be slightly faster for shorter outputs, while Claude 4 Sonnet handles longer outputs efficiently thanks to its larger context window.

Can I use both models through Swfte?

Yes. Swfte provides a unified API gateway that lets you access GPT-4o, Claude 4 Sonnet, and 15+ other models through a single API key and endpoint.

Access GPT-4o, Claude 4 Sonnet & 15+ Models via One API

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