GPT-4o vs Claude 3.5 Sonnet

Close call. Claude 3.5 Sonnet is the developer's pick for code and long-context work; GPT-4o edges ahead on creative writing, vision, and tool use. On Faceb.ai you don't have to pick — one plan, switch per message.

Try GPT-4o Try Claude 3.5 Sonnet

OpenAI

GPT-4o

OpenAI's flagship multimodal model — text, vision, and code.

General-purpose reasoning that matches or beats GPT-4 Turbo
Native vision — paste screenshots, diagrams, photos
Fast code generation with solid context tracking
Low-latency streaming feels conversational

Cost: Around 3,750–9,200 tokens per typical message. 15M Pro tokens buy roughly 1,600–4,000 GPT-4o messages.

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Anthropic

Claude 3.5 Sonnet

Anthropic's best balance of quality and cost — a coder favourite.

State-of-the-art code generation — especially refactoring
200k context (largest of the frontier models)
Careful, calibrated tone — less over-confident than GPT-4o
Excellent at following detailed system prompts

Cost: Around 3,750–7,500 tokens per typical message. 15M Pro tokens buy ~2,000–4,000 Sonnet messages.

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Don't pick — use both.

On Faceb.ai, one $14.99/month plan gives you every frontier model. Switch per message. No extra subscriptions.

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