Price checkMonthly
FreeFreePro$19/moEnterpriseCustom
See all 3 plans

All Comet ML Plans & Pricing

Plan Monthly Annual Best For
View all features by plan (compare side-by-side)

Free

  • Up to 10 team members
  • 25,000 spans per month
  • 60-day data retention
  • LLM tracing & analysis
  • Datasets & experiments
  • LLM-as-a-judge metrics
  • Agent Optimizer Suite
  • Community support (Slack, GitHub)

Pro

  • Up to 50 team members
  • 100,000 spans per month
  • 60-day data retention
  • Customizable monthly span limits
  • Customizable data retention periods
  • Additional spans at $5/100k
  • Additional span retention at $29/100k spans
  • Email support
  • Optional MLOps Platform add-on

Enterprise

  • Unlimited team members
  • Unlimited spans
  • Custom data retention
  • Flexible deployments (cloud or self-hosted)
  • RBAC (project and organization level)
  • Service accounts and view-only users
  • Enterprise SSO (OAuth 2.0, SAML, LDAP)
  • SOC 2, ISO 27001, ISO 9001, HIPAA, GDPR compliance
  • Dedicated support team & SLAs
  • Private Slack channel
  • 2-hour response time SLA
  • AI Guardrails
Try Comet ML Free
Compare Comet ML with alternativesAdjust seats, lock a tier, add up to 2 more products side-by-side. Shareable URL.
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What does Comet ML actually cost you?

Drag the slider. Pick a tier. Your projected spend updates as you go.

Tier
Billing
Your projected cost$475per month · $19/unit × 25units
Year 1 license$5.7K12 months at this rate
At a glance

List price by tier (annualized, per unit)

Per-unit list price across Comet ML's plans, annualized. Custom-priced tiers show a hatched bar.

FreeCustom
Pro$228/yr
EnterpriseCustom
Quick Answer
Last verified:
High confidence

Comet ML costs Free to $19 per month as of July 2026, with 3 plans available including a free tier. Plans: Free (free), and Pro at $19/month. Enterprise pricing is available on request. Pricing depends on your chosen tier, contract length, and negotiated discounts.

Use the interactive pricing calculator to estimate your exact cost based on team size and requirements.

  • Free tier: Yes

Comet ML offers 3 pricing tiers: Free, Pro, Enterprise. A free plan is available. Paid plans include Pro at $19/user/month. The Pro plan is growing teams needing expanded llm observability with customizable usage limits.

Compared to other mlops platforms software, Comet ML is positioned at the budget-friendly price point.

  • 11 documented hidden costs beyond list price
  • Contracts auto-renew — at least ninety (90) days prior to the expiration of the Term
  • G2 rating: 4.3/5 from 12 reviews
Last verified: | Sources: 2 pricing pages and reviews

How much does Comet ML cost?

Comet ML offers 3 pricing plans, starting with a free tier and scaling to custom enterprise pricing. Plans include Free (free), Pro at $19/month, Enterprise (custom pricing).

Comet ML Pricing Overview

Comet ML has 3 pricing plans, including a free tier. Paid plans range from $0 to $19/month. The Free plan is free and is best for individuals and small teams getting started with llm observability and evaluation. The Pro plan costs $19/month, best for growing teams needing expanded llm observability with customizable usage limits. The Enterprise plan requires contacting sales for a custom quote and is designed for large organizations requiring enterprise security, compliance, and unlimited usage.

Comet ML contracts auto-renew.

There are at least 11 documented hidden costs beyond Comet ML's list price, including implementation, training, and add-on fees.

This pricing was last verified in May 5, 2026 from 2 independent sources.

Try Comet ML Free
Comet ML is a machine learning experiment management and model monitoring platform. It tracks experiments via training hours and offers free forever, Pro ($19/user/month), and Enterprise (custom) plans. Comet also offers Opik, its GenAI observability product, with its own pricing tier. Academic users receive the Pro plan at no cost.

How Comet ML Pricing Compares

Compare Comet ML pricing against top alternatives in MLOps Platforms.

ClearML $0-$15 Compare → Determined AI $0 Compare → Weights & Biases $0-$60 Compare →

Compare Comet ML vs Alternatives

Before committing to Comet ML, compare pricing with these 3 alternatives in the same category.

VSClearML
Free

ML teams that need managed cloud autoscaling and pipeline automation beyond the free tier

Full comparison
VSDetermined AI
Free

ML teams and research organizations self-hosting on their own GPU infrastructure

Full comparison
VSWeights & Biases
Free

ML teams at early-stage companies needing collaboration and unlimited experiment tracking

Full comparison

All Comet ML alternatives & migration guides

What Companies Actually Pay for Comet ML

Review scores
G2 4.3/5 (12)
Top pricing complaints
the UI/UX potentially needing improvementsome finding the attempt to mimic a GitHub interface unpleasingit can be expensivemay lack support for certain programming languages

How Comet ML Pricing Compares

Software Starting Price Top Price
Comet ML Free $19/month
ClearML Free $15/month
Determined AI Custom Custom
Neptune.ai $150/month $250/month
Weights & Biases Free $60/month
MLflow Custom Custom

Detailed pricing comparisons:

Browse all MLOps Platforms pricing →

11 Comet ML Hidden Costs Beyond the List Price

Beyond the listed price, Comet ML has at least 11 documented hidden costs that can significantly increase total cost of ownership.

Watch for 11 hidden costs
  • Infrastructure Costs $123/month
    high 1 source
    industry "These costs can be magnified for complex setups requiring full Kubernetes clusters."
  • Data-Related Costs
    high 1 source
    industry "Poor data management can directly impact model reliability and reproducibility."
  • Personnel Costs
    high 1 source
    industry "Personnel Costs: Salaries for data scientists, ML engineers, and DevOps specialists are a major component of the total cost of ownership."
  • Operational Overhead
    medium 1 source
    industry "Operational Overhead: Ongoing expenses such as network bandwidth, security, and maintenance contribute to the overall cost."
  • Inefficient Resource Utilization $180,000
    critical 1 source
    industry "Another instance saw a company incur a $180,000 bill for a hyperparameter tuning job left running over a long weekend."
  • Additional Setup for Full Benefits
    medium 1 source
    industry "However, achieving the "full benefits" of the platform may require additional setup"
  • Specialized Talent $800,000 to $1,200,000
    critical 1 source
    industry "Talent Costs: The need for specialized ML infrastructure engineers, 24/7 operations teams, security specialists, and performance engineers can lead to annual human capital costs ranging from $800,000 to $1,200,000 for a production-grade deployment"
  • Tier Upgrade Due to Usage Limits
    high 1 source
    industry "Organizations with multiple ML teams may find themselves "effectively forced into the Enterprise plan" to access features like centralized access control, shared workspaces, and enhanced collaboration, where usage is unlimited but pricing is custo..."
  • Data Management 15-35% of project costs and 50-70% of project time
    high 1 source
    industry "Data Management: Costs associated with data versioning, lineage, quality checks, and storage can be substantial, often consuming 15-35% of project costs and 50-70% of project time"
  • Performance Slowdowns
    medium 1 source
    industry "Performance Slowdowns: Some users have reported "performance slowdowns on very large-scale experiments," which could indirectly lead to increased operational costs due to longer processing times or the need for more resources"
  • API Key Configuration Friction
    low 1 source
    industry "API Key Configuration: Initial setup and API key configuration can add a degree of friction"
Tip

Ask your Comet ML sales rep about these costs upfront. Getting them in writing before signing can save you from surprise charges later.

Full hidden costs breakdown →

Intelligence sourced from 2 independent sources
industry G2 B2B reviews
Key claims include inline source attribution. Data verified against multiple independent sources. 12 source citations total.

Comet ML Contract Terms

Comet ML contracts auto-renew. Changes require at least ninety (90) days prior to the expiration of the Term. These terms are sourced from verified buyer experiences.

Contract Terms
Auto-Renewal Yes
Cancellation Notice at least ninety (90) days prior to the expiration of the Term
Based on 1 verified source

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