6 Best BettaFish Alternatives in 2026 (Open Source)
BettaFish — 微舆：人人可用的多Agent舆情分析助手，打破信息茧房，还原舆情原貌，预测未来走向，辅助决策！从0实现，不依赖任何框架。. Implements a unique 'forum' debate mechanism where specialized agents with different toolsets collaborate through structured discussion.
Short answer
- Closest match to BettaFish: AI Berkshire.
- Most actively developed: AI Berkshire (340 commits in the last 90 days).
- Fastest growing: TradingAgents (+10,548 GitHub stars in the last 30 days).
- No commit in 6+ months: AgentVerse, GPTeam and ChatArena.
These 6 open-source tools do the same job. They are ordered by how closely they match BettaFish, with live GitHub data so you can see which projects are actively maintained.
By package downloads FinRobot is the most used here (449 in the last 30 days), even though TradingAgents has the most GitHub stars. See all agent tools by downloads.
| Tool | GitHub stars | Stars / 30d | Last commit | Downloads / 30d |
|---|---|---|---|---|
| BettaFish(original) | 42.3k | +50 | 2026-10-01 | — |
| AI Berkshire | 16.6k | +230 | 2026-09-27 | — |
| FinRobot | 8.1k | +257 | 2026-09-28 | 449 |
| TradingAgents | 109.6k | +10,548 | 2026-09-29 | — |
| AgentVerse | 5.2k | +27 | 2024-09-09 | 58 |
| GPTeam | 1.7k | +1 | 2024-06-28 | — |
| ChatArena | 1.6k | +4 | 2025-08-11 | — |
1. AI Berkshire
Value investing research framework for Claude Code and Codex with multi-agent adversarial analysis
What sets it apart: Forces multi-agent adversarial analysis with four distinct master methodologies instead of single-prompt AI responses.
Best for: Structuring AI-driven investment research; Implementing multi-perspective agent analysis; Building disciplined decision frameworks for AI agents
2. FinRobot
FinRobot: An Open-Source AI Agent Platform for Financial Analysis using LLMs 🚀 🚀 🚀
What sets it apart: Only open-source AI agent platform purpose-built for financial analysis — 8 specialized agents generate institutional-grade equity research reports with DCF, peer comparison, and risk assessment
Best for: Financial analysts automating equity research reports; Investment teams needing AI-powered DCF/valuation analysis; Finance students learning quantitative analysis workflows
3. TradingAgents
TradingAgents: Multi-Agents LLM Financial Trading Framework
What sets it apart: Unlike general agent frameworks (CrewAI, AutoGen), TradingAgents is the only open-source framework that replicates a complete trading firm structure with specialized analyst teams, bull/bear researcher debates, and risk management approval workflows — purpose-built for financial market analysis.
Best for: Financial researchers exploring LLM-powered multi-agent trading analysis; Quantitative analysts wanting to augment traditional analysis with AI agent debate systems
4. AgentVerse
Framework for deploying multiple LLM-based agents for collaborative task solving and environment simulation
Best for: Researchers studying multi-agent LLM behaviors and emergent phenomena; Engineers building collaborative AI systems with specialized agent roles; Academic projects exploring agent coordination and social simulation
5. GPTeam
GPTeam: An open-source multi-agent simulation
What sets it apart: GPTeam models a configurable world where memory-equipped agents move, communicate, and work in parallel on common goals.
Best for: Developers exploring multi-agent architectures; Researchers experimenting with agent memory and communication; Teams prototyping collaborative agent simulations
6. ChatArena
ChatArena (or Chat Arena) is a Multi-Agent Language Game Environments for LLMs. The goal is to develop communication and collaboration capabilities of AIs.
What sets it apart: Multi-agent language game environments for studying LLM social interactions, built on Markov Decision Process abstractions (now deprecated)
Best for: multi-agent-interaction-research; llm-social-behavior-study; language-game-benchmarking
FAQ
- What are the best alternatives to BettaFish?
- The closest open-source alternatives to BettaFish are AI Berkshire, FinRobot and TradingAgents, followed by AgentVerse, GPTeam and ChatArena. They are ranked by how closely they match what BettaFish does.
- Which BettaFish alternative is the most popular?
- TradingAgents has the most GitHub stars among BettaFish alternatives, with 109,573 stars.
- Which BettaFish alternative is the most actively maintained?
- By recent activity, AI Berkshire (340 commits in the last 90 days) is the most actively developed alternative.
Maintain BettaFish or one of these alternatives?
Each tool page has a maintainer box: a README badge with your live rank and stars, or a homepage + category feature for $49 / 7 days.
BettaFish · AI Berkshire · FinRobot · TradingAgents · AgentVerse · GPTeam