MiroThinker

Deep research agent with up to 300 tool calls per task and 256K context

What MiroThinker does

  • Deep research agent with up to 300 tool calls per task and 256K context
  • Scores 74.0 on BrowseComp and 75.3 on BrowseComp-ZH (v1.7)
  • Free online demo at dr.miromind.ai
  • Apache 2.0

MiroThinker — straight answers

What is MiroThinker?

MiroThinker is listed under Deep Research & Documents, in the Research & Learning category on Flocci AI Tools. Deep research agent with up to 300 tool calls per task and 256K context. It is free, with no paid plan attached, and it lives at github.com.

Is MiroThinker free?

MiroThinker is listed as fully free — there is no paid tier attached to it in the catalog. That makes it one of the 399 entries on Flocci AI Tools with no upgrade path built in.

What can MiroThinker do?

MiroThinker does 4 things the catalog singles out: Deep research agent with up to 300 tool calls per task and 256k context; scores 74.0 on browsecomp and 75.3 on browsecomp-zh (v1.7); free online demo at dr.miromind.ai; apache 2.0.

What is the best free alternative to MiroThinker?

GPT Researcher is the closest free alternative: it sits in the same Deep Research & Documents sub-category and is free. ima.copilot (Tencent ima), Open Notebook and STORM (Stanford) also start free. The full list is on the alternatives page.

See the full list →

MiroThinker alternatives

Compare all alternatives →

ChatGPT Deep Research

Deep Research & Documents
freemium
  • Runs up to ~30 min for exhaustive reports
  • Browses hundreds of sources
  • Structured, cited long-form output
  • Limited runs on lower tiers

Gemini Deep Research

Deep Research & Documents
freemium
  • Multi-step research across the web
  • Editable research plans
  • Long, organized reports
  • Available with Gemini

NotebookLM

Deep Research & Documents
freemium
  • Grounded answers from your own sources
  • Audio Overviews (podcast-style)
  • Mind maps and study guides
  • Free tier available

ChatPDF

Deep Research & Documents
freemium
  • Chat with any PDF or document
  • Cited answers with page references
  • Summaries and key points
  • Free daily PDFs

AlphaSense

Deep Research & Documents
Leaving soon
  • AI search across SEC filings, earnings transcripts, broker research, private data
  • Enterprise workflow automation for financial/deal research
  • Integrates FactSet, S&P Capital IQ, PitchBook

STORM (Stanford)

Deep Research & Documents
free
  • MIT-licensed open-source system that researches a topic and writes a full cited report
  • Perspective-guided simulated conversations to deepen research before writing
  • Co-STORM variant adds human-AI collaborative curation

Head-to-head comparisons