ChatGPT vs Langfuse

Features, pricing, ratings, and pros and cons, side by side.

ChatGPT logo

ChatGPT

OpenAI's AI assistant for writing, research, coding, image generation and voice chat

4.0(1 review)Freemium

Verdict

ChatGPT is listed under AI Assistants and Langfuse under Developer Tools. ChatGPT scores higher in FinderAtlas's editorial review (8.9 vs 8.4 out of 10). Both have a free plan or trial. Only ChatGPT is available on Windows, macOS and iOS. Only Langfuse is available on CLI and offers an API.

Best overall

ChatGPT

  • Students
  • Writers
  • Software Developers
  • Researchers

Choose ChatGPT if

  • You want a tool built for everyday questions, drafting and editing text, summarizing documents, coding help, data analysis and image generation in one assistant.
  • One assistant covers text, voice, images, file analysis, search and coding.
  • Free tier lets users try the service without a card.

Choose Langfuse if

  • You want a tool built for production tracing and debugging of LLM apps and agents, prompt versioning, and systematic evaluation on real data.
  • MIT-licensed core with free self-hosting, avoiding vendor lock-in.
  • Covers tracing, prompt management and evaluation in one platform.
Best for beginners
ChatGPT
Best for business
ChatGPT

Features

16 features compared.

  • Chat with web search
    ChatGPT
    Available
    Langfuse
    Not available
  • Voice mode
    ChatGPT
    Available
    Langfuse
    Not available
  • Image generation
    ChatGPT
    Available
    Langfuse
    Not available
  • File and image analysis
    ChatGPT
    Available
    Langfuse
    Not available
  • Projects
    ChatGPT
    Available
    Langfuse
    Not available
  • ChatGPT agent
    ChatGPT
    Available
    Langfuse
    Not available
  • Codex
    ChatGPT
    Available
    Langfuse
    Not available
  • Connectors and apps
    ChatGPT
    Available
    Langfuse
    Not available
  • Tracing
    ChatGPT
    Not available
    Langfuse
    Available
  • Evaluation
    ChatGPT
    Not available
    Langfuse
    Available
  • Prompt Management
    ChatGPT
    Not available
    Langfuse
    Available
  • Playground
    ChatGPT
    Not available
    Langfuse
    Available
  • Datasets and Experiments
    ChatGPT
    Not available
    Langfuse
    Available
  • Cost and Latency Dashboards
    ChatGPT
    Not available
    Langfuse
    Available
  • Open-Source Self-Hosting
    ChatGPT
    Not available
    Langfuse
    Available
  • APIs and MCP Servers
    ChatGPT
    Not available
    Langfuse
    Available

Pricing

Plans as listed by each vendor. Check their sites for current prices.

  • Pricing model
    ChatGPT
    Freemium
    Langfuse
    Freemium
  • Free plan
    ChatGPT
    Yes
    Langfuse
    Yes
  • Starting price
    ChatGPT
    $0
    Langfuse
    $0
  • Plans
    ChatGPT
    8 plans
    Langfuse
    4 plans

ChatGPT plans

  • Free

    $0

    Limited access to OpenAI's models for everyday use

    • Limited messages
    • Limited file uploads
    • Limited image generation
    • May show ads in some regions
  • Go

    $8/month

    Low-cost plan with more usage than Free

    • More messages than Free
    • More uploads and image generation
    • May show ads
  • Plus

    Most popular

    $20/month

    For individuals who want more capable models and higher limits

    • Access to more advanced models
    • Projects
    • Expanded Codex
    • Higher limits for research and voice
  • Pro 100

    $100/month

    High-volume use for research and coding

    • About 5x Plus usage
    • Everything in Plus
  • Pro 200

    $200/month

    Higher usage than Pro 100

    • About 20x Plus usage
    • Everything in Plus
  • Pro 500

    $500/month

    Highest usage tier

    • Highest usage limits
    • Ultrafast model variants
    • Everything in Plus
  • Business

    $25/user/mo

    For small teams, with a two-seat minimum

    • Shared workspace
    • Admin controls
    • Business data not used for training by default
  • Enterprise

    Custom/user/mo

    For large organizations, priced by contract

    • Single sign-on
    • Admin and security controls
    • Dedicated support

Langfuse plans

  • Hobby

    $0

    Free cloud tier for individuals and early projects

    • 50k units/month
    • 30 days data access
    • 2 users
    • community support
  • Core

    $29/month

    Paid tier for small production teams

    • 100k units/month included
    • 90 days data access
    • unlimited users
    • in-app support
  • Pro

    $199/month

    Teams needing long retention and compliance reports

    • 100k units/month included
    • 3 years data access
    • data retention management
    • SOC 2 and ISO 27001 reports
    • HIPAA BAA available
    • high rate limits
  • Enterprise

    $2,499/month

    Large organizations with security and support requirements

    • Everything in Pro
    • audit logs
    • SCIM API
    • uptime and support SLAs
    • named lead support engineer
    • invoice or AWS Marketplace billing

Our ratings

Scored out of 10 by the Finder Atlas editorial team. Last reviewed November 2026.

ChatGPT
8.9overall
Langfuse
8.4overall
  • General Reasoning & Logic

    ChatGPT
    9.0
    Langfuse
    Not rated
  • Conversational Fluency

    ChatGPT
    9.2
    Langfuse
    Not rated
  • Coding & Data Analysis

    ChatGPT
    8.8
    Langfuse
    Not rated
  • Multimodal Processing

    ChatGPT
    9.0
    Langfuse
    Not rated
  • Ecosystem & Integrations

    ChatGPT
    8.7
    Langfuse
    Not rated
  • Ease of Use

    ChatGPT
    Not rated
    Langfuse
    7.8
  • Feature Depth

    ChatGPT
    Not rated
    Langfuse
    8.8
  • Value for Money

    ChatGPT
    Not rated
    Langfuse
    8.7
  • Performance & Speed

    ChatGPT
    Not rated
    Langfuse
    8.4
  • Documentation & Support

    ChatGPT
    Not rated
    Langfuse
    8.5

Scores weigh documented features, plan value, platform coverage, integrations and user feedback. A missing score means we have not rated that area yet.

Pros and cons

ChatGPT

Pros

  • One assistant covers text, voice, images, file analysis, search and coding
  • Free tier lets users try the service without a card
  • Apps for web, iOS, Android, macOS and Windows with synced history
  • Large ecosystem of connectors, projects and agent features
  • Plans range from $8 to $500 per month, so users can match spend to usage

Cons

  • Free and Go usage limits are low and may include ads
  • Pricing and model lineup change often, which makes limits hard to compare over time
  • Answers can be wrong and need checking, especially for facts and citations
  • The top Pro tiers cost $100 to $500 per month

Langfuse

Pros

  • MIT-licensed core with free self-hosting, avoiding vendor lock-in.
  • Covers tracing, prompt management and evaluation in one platform.
  • Free Hobby tier with 50k units per month and no credit card required.
  • Over 100 integrations, plus OpenTelemetry for languages without a native SDK.
  • Core plan at $29/month with unlimited users.

Cons

  • Hobby is limited to 2 users and 30 days of data access.
  • SOC 2, ISO 27001 and HIPAA support start at the $199/month Pro plan, and SSO and RBAC need a $300/month add-on.
  • Audit logs, SCIM and SLAs are restricted to the $2,499/month Enterprise plan.
  • Usage-based unit overage adds cost for high-volume tracing.

Platforms

  • Web
    ChatGPT
    Supported
    Langfuse
    Supported
  • Windows
    ChatGPT
    Supported
    Langfuse
    Not supported
  • macOS
    ChatGPT
    Supported
    Langfuse
    Not supported
  • iOS
    ChatGPT
    Supported
    Langfuse
    Not supported
  • Android
    ChatGPT
    Supported
    Langfuse
    Not supported
  • API
    ChatGPT
    Not supported
    Langfuse
    Supported
  • Browser Extension
    ChatGPT
    Not supported
    Langfuse
    Not supported
  • CLI
    ChatGPT
    Not supported
    Langfuse
    Supported

Integrations

ChatGPT

2 integrations
  • Gmail
  • MCP connectors

Langfuse

23 integrations
  • LangChain
  • Vercel AI SDK
  • LiteLLM
  • Pydantic AI
  • Google ADK
  • CrewAI
  • LlamaIndex
  • OpenAI Agents
  • Mastra
  • OpenAI
  • Anthropic
  • Amazon Bedrock
  • Azure OpenAI
  • Google Gemini
  • Mistral AI
  • vLLM
  • Groq
  • Claude Code
  • Cursor
  • Dify
  • n8n
  • PostHog
  • OpenTelemetry

Company

  • Company
    ChatGPT
    OpenAI
    Langfuse
    Langfuse
  • Founded
    ChatGPT
    2015
    Langfuse
    2023
  • Headquarters
    ChatGPT
    San Francisco, CA
    Langfuse
    Berlin, Germany
  • Listing
    ChatGPT
    Claimed
    Langfuse
    Claimed

Frequently asked questions

Is ChatGPT better than Langfuse?

It depends on your workflow. ChatGPT is built for everyday questions, drafting and editing text, summarizing documents, coding help, data analysis and image generation in one assistant. Langfuse is built for production tracing and debugging of LLM apps and agents, prompt versioning, and systematic evaluation on real data.

What are the key feature differences between ChatGPT and Langfuse?

ChatGPT: OpenAI's AI assistant for writing, research, coding, image generation and voice chat. Langfuse: Open-source platform to trace, evaluate and improve LLM applications and agents. ChatGPT is rated 4.0/5 from 1 user review.

Does ChatGPT or Langfuse have a free plan?

Yes, both do. ChatGPT is freemium and Langfuse is freemium, and each has a free plan or trial.

Which is cheaper, ChatGPT or Langfuse?

Both can be used for free. Paid plans differ in limits and features, so compare the tiers in the pricing table above.