1
Anthropic's assistant, strong on reasoning and code.
Why as an alternative to Sider: free tier to test, paid at 18 €/mois for regular use.
The top 5
The best alternatives to Sider
2
The world's most used AI assistant, by OpenAI.
Why as an alternative to Sider: free tier to test, paid at 20 €/mois for regular use.
3
Google's AI, plugged into its entire ecosystem.
Why as an alternative to Sider: free tier to test, paid at 22 €/mois for regular use.
4
The open, free Chinese AI shaking up pricing.
Why as an alternative to Sider: real free version, no paywall. Best bet if you want to leave Sider without adding a line to your budget.
5
xAI's AI, integrated into X, with an unapologetically sharp tone.
Why as an alternative to Sider: free tier to test, paid at 9 €/mois for regular use.
Also worth knowing
Other alternatives in the same category
29 additional Chat & models tools worth knowing. Less priority than the top 5, but useful depending on the case.
6
Le ChatChat & modelsMistral's assistant, the European option.8.1Score7MistralChat & modelsThe French publisher of open models, API and open weights, a sovereign alternative to OpenAI.8Score8
AI Studio GoogleChat & modelsPlayground gratuit pour tester Gemini Pro et générer ta clé API.—Score9
AnythingLLMChat & modelsDesktop full-stack pour discuter avec tes docs en local.—Score10
ChatboxChat & modelsClient desktop open source pour tes clés API OpenAI, Claude, Gemini.—Score11
CohereChat & modelsEnterprise and RAG-focused models.—Score12
DeepSeek ChatChat & modelsChat DeepSeek, modèles raisonnement chinois très compétitifs.—Score13
DuckDuckGo AI ChatChat & modelsAccès anonyme à GPT, Claude, Llama via DuckDuckGo.—Score14
GPT4AllChat & modelsSuite open source Nomic AI pour LLM locaux, RAG inclus.—Score15
GroqChat & modelsUltra-fast inference for open models (LPU chips).—Score16
HuggingChatChat & modelsHugging Face's open source chat, open models.—Score17
JanChat & models100% local, open source ChatGPT alternative.—Score18
KimiChat & modelsMoonshot's AI, with a very long context window.—Score19
Le ChatChat & modelsChat Mistral, modèles open weights français, alternative souveraine.—Score20
LibrechatChat & modelsClone open source de ChatGPT, multi-providers, self-hostable.—Score21
LM StudioChat & modelsDesktop app for running local models.—Score22
MaxAIChat & modelsExtension Chrome multi-modèles, accès rapide depuis n'importe quelle page.—Score23
Meta AIChat & modelsMeta's assistant, in WhatsApp, Instagram, and Messenger.—Score24
Microsoft CopilotChat & modelsMicrosoft's AI assistant, built into Windows and Office.—Score25
MonicaChat & modelsExtension navigateur tout-en-un, multi-modèles et raccourcis.—Score26
MstyChat & modelsClient multi-LLM cloud et local, comparaison side by side.—Score27
OllamaChat & modelsRun AI models locally on your machine.—Score28
Open WebUIChat & modelsInterface web open source pour Ollama et tout LLM compatible OpenAI.—Score29
OpenRouterChat & modelsOne API for 300+ models from every provider.—Score30
PiChat & modelsInflection's assistant, designed for conversation.—Score31
PoeChat & modelsQuora's multi-model aggregator, one subscription for all.—Score32
Qwen ChatChat & modelsAlibaba's assistant, with strong open models.—Score33
Together AIChat & modelsInference platform for 200+ open models.—Score34
TypingMindChat & modelsFrontend payant unique pour ta clé OpenAI, achat one-shot.—Score
Le ChatChat & modelsMistral's assistant, the European option.8.1Score7MistralChat & modelsThe French publisher of open models, API and open weights, a sovereign alternative to OpenAI.8Score8Frequently asked
Everything to know before switching
What is the best alternative to Sider in 2026?
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Claude tops our ranking among the 34 alternatives identified in the Chat & models category. Joute score: 9/10. The verdict shifts based on your profile and budget: we detail the top 5 above.
Is there a free alternative to Sider?
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Yes, DeepSeek is a real free alternative, the open, free chinese ai shaking up pricing. Several other tools in the category offer a freemium tier.
Is Sider really the best in its category?
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Sider hasn't been fully tested by Joute yet. The ranking above is based on alternative scores -- use it as guidance, not a final verdict.
Why look for an alternative to Sider?
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Three common reasons: the price gets too high, the tool no longer covers a refined use case, or you want to de-risk your stack. The Chat & models category is well-stocked in 2026 to find better or cheaper.