Comparaison2 outils sélectionnés sur 3

Comparer des outils d'IA

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ChatGPT ×

DeepSeek ×

ChatGPT ×
DeepSeek ×

Comparateur · Assistants de chat

ChatGPT$20/mo (Plus (consumer))contreDeepSeekDès $0.3 (deepseek-flash input (cache miss))

Prix de départ$20/mo · Dès $0.3

Formule gratuiteoui · oui

Offres documentées10 · 5

Plateformes4 · 2

Lire le comparatif complet avec verdict

Comparaison de ChatGPT, DeepSeek
	ChatGPT Visiter le site pour ChatGPT (s'ouvre dans un nouvel onglet)	DeepSeek Visiter le site pour DeepSeek (s'ouvre dans un nouvel onglet)
Catégorie	Assistants de chat	Assistants de chat
Principaux cas d'usage	Drafting and editing text Answering general questions Summarizing documents Getting help with code Brainstorming ideas	Chatting with an AI assistant Reasoning-style answers via DeepThink Web search-assisted answers Building apps on the API Coding-agent integrations
Idéal pour	Knowledge workers, Students, Developers, General consumers	Developers using an API, Cost-conscious token users
Plateformes	Web, Desktop, Mobile, API	Web, API
Modèle tarifaire	Freemium	—
Tarifs	Individual plans: Free, Go, Plus and Pro; organization plans: Business and Enterprise. Prices were displayed in a non-US currency when we checked, so US prices are not confirmed here — see official pricing. Vérifié le Sep 30, 2026. Tarifs officiels ↗	API prices per 1M tokens (USD), off-peak/peak: deepseek-flash input cache-miss $0.15/$0.30, output $0.60/$1.20; deepseek-v4-pro input cache-miss $0.66/$1.32, output $1.98/$3.96. Cache-hit input is lower. Vérifié le Oct 5, 2026. Tarifs officiels ↗
Fonctionnalités clés	Chat with file uploads and data analysis Web search and deep research Image generation Voice conversations Projects, memory and custom GPTs Codex coding agent	DeepThink mode Search mode OpenAI-format API endpoint Anthropic-format API endpoint JSON output and tool calls 1M-token context length
Avantages	Free plan available for everyday chat Apps for web, iOS, Android and desktop Wide feature set in one product (search, images, voice, files) Business and Enterprise plans with SSO and admin controls	Per-token API pricing is published openly Off-peak rates are half of peak rates API supports tool calls and JSON output Official docs list agent integrations
Limites	Free plan limits uploads, image generation, voice and deep research The lower-cost Go plan may include ads, per OpenAI's pricing page Can produce inaccurate or outdated information that needs checking API usage is billed separately from ChatGPT subscriptions	API prices depend on peak or off-peak hours Vision is listed for deepseek-flash only Chat app terms not verified here (chat.deepseek.com blocked automated access) API billed from a topped-up or granted balance
Notes	Editorial Not yet reviewed Users No user reviews yet	Editorial Not yet reviewed Users No user reviews yet
Statut de vérification	Listed Vérifié le Sep 30, 2026	Listed Vérifié le Oct 5, 2026