DeepSeek V3 vs GPT-5

Pick two tools from the same category to compare side-by-side.

	DeepSeek V3 Open-weights model with strong reasoning at very low inference cost.	GPT-5 OpenAI's frontier model; broad capability, strong tool use.
Category	model	model
Vendor type	open source	commercial
Pricing	free	usage
Strengths	+ Open weights + Very low inference cost + Strong reasoning benchmarks	+ First-class integration with OpenAI Agents SDK and Codex CLI + Broad ecosystem of tooling and integrations
Tradeoffs	− Geopolitical considerations for some enterprises	− Lock-in to OpenAI platform features (e.g., Responses API)
Used in stacks	0	0