Free Cloud API AI for RAG / Search — 2026
< AI CatalogCompare the best free, cloud api AI tools for rag / search. Pricing, features, and recommendations.
Gemini 3 Pro
Strong general-purpose model with large context and multimodality.
Quality
9.2/10
Speed
8.8/10
Ease of use
8/10
Value
6/10
- + Large context window
- + Balanced price
Gemini 3 Flash
Fast and cheap option for chatbots and high-volume requests.
Quality
8.5/10
Speed
9.5/10
Ease of use
9/10
Value
9/10
- + Very cheap
- + Very fast
DeepSeek V3
DeepSeek
Powerful open-source MoE model, strong in code and math.
Quality
8.5/10
Speed
7/10
Ease of use
6/10
Value
8/10
- + Excellent for code and math
- + Open-source
GPT-5-mini
OpenAI
Budget and fast model for high-volume scenarios and MVPs.
Quality
8/10
Speed
9/10
Ease of use
9/10
Value
8/10
- + Low price
- + High speed
Botpress
Botpress
No-code/low-code platform for chatbots and RAG scenarios.
Quality
7.8/10
Speed
8/10
Ease of use
9/10
Value
8/10
- + Quick start without code
- + Visual builder
Voiceflow
Voiceflow
No-code builder for multichannel chat and voice bots.
Quality
7.5/10
Speed
8/10
Ease of use
9/10
Value
7/10
- + Multichannel support
- + Visual builder