Best FastChat Alternatives in 2026

FastChat vs. alternatives

FastChat compared with its alternatives

Tool	Category	Pricing	Starting at	Free plan	API	Open source
FastChatThis tool	LLM Tools	Free	—
PromptLayer	LLM Tools	Freemium	$49/month
Vicuna-13B	LLM Tools	—	—
DeepSeek-R1	LLM Tools	Free	—
Oracle AI	LLM Tools	Paid	—
GPT4All	LLM Tools	Freemium	$20/month
Kimi Business	LLM Tools	—	—
Revalvo	LLM Tools	—	—
manifest.build	LLM Tools	Freemium	$19/month
HandyAI	LLM Tools	—	—
Composio	LLM Tools	Free	—
Twigg	LLM Tools	—	—
AnythingLLM	LLM Tools	Free	—

Top FastChat alternatives

1. 

   PromptLayer

   LLM Tools

   Prompt management and evaluation platform for AI teams

   • Prompt Management
   • Prompt Versioning
   • LLM Observability

   Freemium

2. 

   Vicuna-13B

   LLM Tools

   Open-source chatbot trained on user-shared conversations for accessible large models.

   • Open Source
   • Chatbot
   • Large Models
3. 

   DeepSeek-R1

   LLM Tools

   Contribute to the development of DeepSeek-R1 on GitHub.

   • Model Downloads
   • Evaluation Results
   • Usage Recommendations

   Free

4. 

   Oracle AI

   LLM Tools

   First AI with 22 cognitive systems, autonomous thought, and emotions.

   • AI Consciousness
   • Conscious AI
   • AI Emotions

   Paid

5. 

   GPT4All

   LLM Tools

   Runs open-source AI models locally on your device.

   • Local AI
   • Private AI
   • Open Source LLM

   Freemium

6. 

   Kimi Business

   LLM Tools

   Provides 2.8-trillion-parameter Kimi K3 API with 1M-token context for developers

   • Code Generation
   • Intelligent Dialogue
   • Visual Reasoning
7. 

   Revalvo

   LLM Tools

   Evaluate and compare LLMs with a local-first workbench.

   • Prompt Engineering
   • LLM Evaluation
8. 

   manifest.build

   LLM Tools

   Open source LLM router connecting AI agents to any provider.

   Freemium

9. 

   HandyAI

   LLM Tools

   Free AI developer tools for LLMs including token counters and cost calculators.

   • Token Counter
   • Cost Calculator
   • Prompt Analyzer
10. 

    Composio

    LLM Tools

    Enables building AI agents with toolkits, context management, and authentication.

    • Tool Search
    • Context Management
    • Authentication Management

    Free

11. 

    Twigg

    LLM Tools

    Hosts and routes LLM conversations across models without lock-in.
12. 

    AnythingLLM

    LLM Tools

    Own your intelligence with a local-first agent experience.

    • Multi-Agent Workflow

    Free