LangChain vs OpenCode vs Gemini CLI vs Haystack

Which one fits you in 2026? Traffic, pricing, input → output, tasks and community side by side.

Your tool
LangChain
vs
Competitor 1
OpenCode
Competitor 2
Gemini CLI
Competitor 3
Haystack
Compare
4 tools · best value per row highlighted
Your tool LangChain
langchain.com
Framework for building with large language models
Competitor OpenCode
opencode.ai
OpenCode is an open-source AI coding agent that helps developers write code in the terminal, an IDE or a desktop app.
Competitor Gemini CLI
github.com
It can query and edit large codebases, generate new apps from PDFs, images, or sketches using multimodal input, and debug problems when you describe them in plain language.
Competitor Haystack
haystack.deepset.ai
Haystack is an open-source AI orchestration framework from deepset for building production-grade LLM applications and agents.
Traffic estimated monthly website traffic
Monthly visits
3.4Mvisits/mo
—
—
—
MoM change
▲ 0.7%
—
—
—
6-month growth
+21.0%
—
—
—
Global rank web
#13,384
—
—
—
Avg. last 3 months
3.3M
—
—
—
Bounce rate lower is better
42%
—
—
—
Pages / visit
6.2
—
—
—
Visit duration
5m 29s
—
—
—
Traffic sources
● Direct 73% · ● Referral 24%
—
—
—
LangChainOpenCodeGemini CLIHaystack
0850.7K1.7M2.6M3.4MLangChain · 3MLangChain · 2.9MLangChain · 3.2MLangChain · 2.8MLangChain · 3.4MLangChain · 3.2MLangChain · 3.1MLangChain · 3.4MLangChain · 3.4M1M10MLangChain · 3MLangChain · 2.9MLangChain · 3.2MLangChain · 2.8MLangChain · 3.4MLangChain · 3.2MLangChain · 3.1MLangChain · 3.4MLangChain · 3.4MNov '25DecJan '26FebMarAprMayJunJul
Pricing
Model
Freemium
Free
Free
—
Starting price
$39per month · free tier available
Free
Free
—
Free tier
–
Free trial
–
–
–
–
API access
–
–
–
–
Plans
Developer FreePlus $39/moEnterprise Custom/mo
—
Free (personal Google account) Free
—
Capabilities input → output
Input
CodeText
CodeText
CodeDocumentsImagesText
CodeDocuments
Output
Apps
Code
Code
Apps
Skill level
Advanced
Advanced
Advanced
Advanced
Categories
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
6
3
4
5
Developer tools
Development
–
Agent creation
–
–
Agents
–
–
Coding
–
–
LLM development
–
–
Agent memory
–
–
–
Agent testing
–
–
–
Code analysis
–
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 1
▲ 0
▲ 0
▲ 0
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
0
0
0
Verified listing
–
–
–
–

Traffic figures are third-party estimates for the tool's own domain; tools sharing a domain with a bigger product are not counted. Pricing is captured from each tool's site and may lag.