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Search & Research

Answer engines and research assistants

14 tools · 26 changes / 30d

ChatGPT Deep Research

OpenAI

4

Multi-step research reports

Version
gpt-6-astra
Cost
from $20/mo
Model
GPT-5.2 Thinking
Consensus

Consensus

Evidence-based answers from science

Version
2025 platform
Cost
Free tier · from $9/mo
Model
GPT-5.2
Elicit

Elicit

8

AI research assistant for papers

Version
Research Agent
Cost
Free tier · from $11/mo
Model
Claude
Exa

Exa

2

Search API built for AI

Version
Exa Agent
Cost
Free tier includes $10/mo in credits. Pay-as-you-go thereafter (e.g. Search at $7/1k requests, Contents at $1/1k pages).
Model
agentic models
Gemini

Google

7

Google's assistant and model family

Version
Gemini 3.8 Flash
Cost
from $1/mo
Model
Gemini 2.5 Flash Image
Genspark

Genspark

Agentic search that generates sparkpages and runs tasks.

Version
2025
Cost
Free tier · from $24.99/mo
Model
mixture of agents
Glean

Glean

3

Enterprise search and agents over every internal system.

Version
June 2026
Cost
from $100/mo
Model
40+ Unique LLMs (
Kagi

Kagi

Ad-free paid search with an optional assistant.

Version
2025
Cost
from $5/mo
Model
Claude
Metaso

MetasoChina

Ad-free AI search with citations, popular with Chinese researchers.

Version
3.0
Cost
Free tier · from $5/mo
Model
DeepSeek-R1
NotebookLM

Google

Grounded research notebook with audio and video overviews.

Version
2025
Cost
Free, Pro via Google AI Plus
Model
Gemini 3
Perplexity

Perplexity

2

Answer engine with citations

Version
Sonar API
Cost
from $20/mo
Model
Claude Opus 4.5
SciSpace

SciSpace

Literature review and paper Q&A for researchers.

Version
2025
Cost
Free tier · from $12/mo
Model
Claude
Semantic Scholar

Allen Institute for AI

Open academic graph and API used across research tooling.

Version
2025
Cost
Free, open API
Model
SPECTER embeddings
You.com

You.com

Agentic research API and assistant for enterprises.

Version
ARI
Cost
Free tier · from $15/mo
Model
frontier mix

Recent changes in Search & Research

  • model

    Glean — Glean added auto routing to its model stack

    40+ Unique LLMs (, Claude, Model hub (supports 40+ LLMs), growing!)40+ Unique LLMs (, Claude, Model hub (supports 40+ LLMs), auto routing, growing!)

    source
  • capability

    Elicit — New capabilities: Figures extraction

    47 tracked48 tracked · +Figures extraction

    source
  • version

    Exa — Exa moved to Exa Agent

    Exa APIExa Agent

    source
  • model

    Exa — Exa added Exa Auto to its model stack

    Exa Agent API, Exa Custom Search Models, Exa Search API, Exa Search Embedding Model, Exa Search Model, Exa Search Models, Exa Search Neural Model, agentic models, embeddingExa Agent API, Exa Auto, Exa Custom Search Models, Exa Search API, Exa Search Embedding Model, Exa Search Model, Exa Search Models, Exa Search Neural Model, agentic models, embedding

    source
  • version

    Gemini — Gemini moved to Gemini 3.8 Flash

    3.8 FlashGemini 3.8 Flash

    source
  • version

    Gemini — Gemini moved to 3.8 Flash

    Gemini 3.8 Flash3.8 Flash

    source
  • capability

    ChatGPT Deep Research — New capabilities: Text generation

    30 tracked31 tracked · +Text generation

    source
  • pricing

    Elicit — Entry price decreased to $11/mo

    $19$11

    source
  • capability

    Elicit — New capabilities: Paper Export

    46 tracked47 tracked · +Paper Export

    source
  • capability

    Gemini — New capabilities: Google AI Plus, Google AI Pro, Google AI Ultra

    93 tracked97 tracked · +Google AI Plus, Google AI Pro, Google AI Ultra, Deep Think

    source
  • pricing

    Elicit — Entry price increased to $19/mo

    $11$19

    source
  • capability

    Glean — New capabilities: AI usage controls

    44 tracked45 tracked · +AI usage controls

    source
  • capability

    ChatGPT Deep Research — New capabilities: Data analysis

    29 tracked30 tracked · +Data analysis

    source
  • model

    Glean — Glean added Model hub (supports 40+ LLMs) to its model stack

    40+ Unique LLMs (, Claude, growing!)40+ Unique LLMs (, Claude, Model hub (supports 40+ LLMs), growing!)

    source
  • capability

    Perplexity — New capabilities: Real-time web search

    32 tracked33 tracked · +Real-time web search

    source
  • capability

    Gemini — New capabilities: Computer use

    92 tracked93 tracked · +Computer use

    source
  • pricing

    Elicit — Entry price decreased to $11/mo

    $49$11

    source
  • capability

    Perplexity — New capabilities: Contextualized Embeddings

    31 tracked32 tracked · +Contextualized Embeddings

    source
  • capability

    Gemini — New capabilities: Google Search, Google Flow, Gmail Live

    88 tracked92 tracked · +Google Search, Google Flow, Gmail Live, Docs Live

    source
  • pricing

    Elicit — Entry price increased to $49/mo

    $11$49

    source
  • version

    ChatGPT Deep Research — ChatGPT Deep Research moved to gpt-6-astra

    gpt-5.6gpt-6-astra

    source
  • capability

    ChatGPT Deep Research — New capabilities: agent workflows

    28 tracked29 tracked · +agent workflows

    source
  • capability

    Elicit — New capabilities: Personalized Alerts, PRISMA Screening

    44 tracked46 tracked · +Personalized Alerts, PRISMA Screening

    source
  • capability

    Gemini — New capabilities: Speech generation, Audio understanding, Thinking mode

    85 tracked88 tracked · +Speech generation, Audio understanding, Thinking mode

    source
  • capability

    Gemini — New capabilities: Lyria 3.5

    84 tracked85 tracked · +Lyria 3.5

    source