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Research & Data Agents · Head-to-head

BettaFish vs TrendRadar

BettaFish and TrendRadar are both research & data agents. BettaFish is A multi-agent public-opinion analysis assistant anyone can use -- reconstructs the real shape of public sentiment and forecasts where it is heading. Built from scratch, no framework dependencies, while TrendRadar is aI-driven public opinion & trend monitor with multi-platform aggregation, RSS, and smart alerts. Here's an independent, side-by-side look at how they compare — and which fits.

BettaFish

Agent· Open source

A multi-agent public-opinion analysis assistant anyone can use -- reconstructs the real shape of public sentiment and forecasts where it is heading. Built from scratch, no framework dependencies.

Visit BettaFish
TrendRadar

Agent· Open source

AI-driven public opinion & trend monitor with multi-platform aggregation, RSS, and smart alerts.

Visit TrendRadar

Bottom line

BettaFish and TrendRadar are both open-source research & data agents you can self-host for free. Licensing differs: BettaFish is GPL-2.0, TrendRadar is GPL-3.0. Neither is universally better — pick by fit.

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Side by side

SpecBettaFishTrendRadar
TypeAgentAgent
ModelOpen sourceOpen source
PricingOpen sourceOpen source
GitHub stars42,07261,697
LanguagePythonPython
LicenseGPL-2.0GPL-3.0
Last activityAug 2026Jul 2026

Key differences

  • Licensing differs: BettaFish is GPL-2.0, TrendRadar is GPL-3.0.

Choose BettaFish if

Multi-agent sentiment analysis across social platforms and large comment datasets.

Choose TrendRadar if

Filtering trending news into push alerts on WeChat, Telegram, Feishu, or Slack.

About BettaFish

A multi-agent public-opinion analysis assistant anyone can use -- reconstructs the real shape of public sentiment and forecasts where it is heading. Built from scratch, no framework dependencies.

Full BettaFish profile →

About TrendRadar

AI-driven public opinion and trend monitor that aggregates hotspots across multiple platforms plus RSS feeds, with precise keyword filtering. AI-filtered news, AI translation, and AI-written briefings pushed to your phone; also supports an MCP integration for natural-language analysis, sentiment insight, and trend forecasting. Runs in Docker, data kept local or self-hosted in the cloud. Pushes through WeChat, Feishu, DingTalk, Telegram, email, ntfy, Bark, and Slack.

Full TrendRadar profile →

Frequently asked

What's the main difference between BettaFish and TrendRadar?
Licensing differs: BettaFish is GPL-2.0, TrendRadar is GPL-3.0.
Is BettaFish or TrendRadar better?
Neither is universally better. BettaFish is the stronger fit for Multi-agent sentiment analysis across social platforms and large comment datasets; TrendRadar for Filtering trending news into push alerts on WeChat, Telegram, Feishu, or Slack. Use the side-by-side specs to decide by your own constraints.
Is BettaFish or TrendRadar free?
BettaFish is free to run and self-host; TrendRadar is free to run and self-host. Both are free to self-host — you only pay for the infrastructure and any model or API usage.
Which is more popular, BettaFish or TrendRadar?
By GitHub stars — a proxy for open-source adoption — TrendRadar is ahead (62k vs 42k). Stars measure attention, not necessarily the better fit for you.
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