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Side-by-side features, use cases and pricing — because the right pick depends on your job and budget, not just the ranking.
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AISTA
✓ verifiedFree trial
Builds a custom ChatGPT chatbot trained on your website's data for support, leads and Q&A, with a 7-day free trial.
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DeepSeek
✓ verifiedFreemium
Chinese AI lab DeepSeek offering free chat apps and low-cost API access to its frontier V-series and R-series reasoning models.
430M visits/mo
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Code Arena
✓ verifiedFree
Side-by-side arena to compare AI coding models and build multi-file apps, with a public leaderboard and battle mode.
35M visits/mo201 saves
Pricing
Basic: EUR10/mo (1 chatbot)
Pro: EUR29/mo (up to 3 chatbots)
Enterprise: EUR59/mo (up to 10 chatbots)
Free trial available
No public pricing
No public pricing
Core features
- ✦Custom ChatGPT chatbot from your site data
- ✦Website crawling plus file uploads (XML/JSON/CSV/YAML)
- ✦Answers restricted to your training data
- ✦Embeddable on any CMS
- ✦CRM integrations (e.g. Pipedrive)
- ✦Free DeepSeek chat (web and app)
- ✦Open API platform
- ✦V-series and R-series reasoning models
- ✦DeepSeek-V4 with long context and stronger agent ability
- ✦OpenAI/Anthropic-compatible API
- ✦Extensive published model lineup
- ✦Head-to-head model comparison
- ✦Battle mode matchups
- ✦Public model leaderboard
- ✦Multi-file app generation
- ✦File uploads as input
Use cases
- →Website customer support
- →Lead-generation chatbots
- →Q&A/expert bots
- →Reducing support costs
- →Free AI chat and assistance
- →Building apps via API
- →Reasoning and coding tasks
- →Low-cost LLM inference
- →Choosing the best coding model
- →Benchmarking AI code quality
- →Prototyping small apps
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