All Comparisons
Frontier Models
GPT-4o vs Claude 3.5 Sonnet
Two flagship general-purpose models compared for everyday building — coding, reasoning, multimodal input, and output reliability.
Feature
GPT-4o
Claude 3.5 Sonnet
Strong coding ability
Vision / image input
Audio input/output
Large context window
Structured / JSON mode
Tool use
Long-form writing
Instruction adherence
Supported Partial Not supported
Verdict
GPT-4o adds native audio and a broad multimodal surface. Claude 3.5 Sonnet is frequently preferred for coding and careful instruction following. Both are excellent defaults — test on your own prompts before committing.