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Comet ML vs Mastra: Which MLOps Is Better in 2026?

Compare pricing, features, integrations, verified reviews, AI capabilities, security, and customer satisfaction, side by side, with no marketing spin.

Leads 4/9
Rating
,
Reviews
0
From
$19/mo

in MLOps

Rating
,
Reviews
0
From
$0/mo

in MLOps

The Short Answer

Comet ML vs Mastra, in 15 seconds

Choose Comet ML if…

  • You depend on a broad integration ecosystem
  • You want deeper AI and automation features
  • You have strict security & compliance needs
  • You need the broader feature set

Choose Mastra if…

  • You prefer Mastra's approach and ecosystem

Head-to-Head Scorecard

How Comet ML and Mastra score

Comet ML leads on 4 of 9 measured dimensions.

  • Customer Rating

    Average score from verified user reviews

    Even
    Comet
    No reviews
    Mastra
    No reviews
  • Review Volume

    Number of verified reviews, a proxy for adoption

    Even
    Comet
    0
    Mastra
    0
  • Entry Pricing

    Lowest published starting price (free plan = lowest)

    Even
    Comet
    $19/mo
    Mastra
    $0/mo
  • Free Access

    Availability of a free plan and/or free trial

    Even
    Comet
    Free plan
    Mastra
    Free plan
  • Integrations

    Number of listed third-party integrations

    Comet ML
    Comet
    6
    Mastra
    4
  • Features

    Number of listed product capabilities

    Comet ML
    Comet
    8
    Mastra
    6
  • AI Features

    Capabilities mentioning AI, automation or ML

    Comet ML
    Comet
    1
    Mastra
    ,
  • Security & Compliance

    Number of listed compliance certifications

    Comet ML
    Comet
    3
    Mastra
    1
  • Platforms & Deployment

    Supported platforms and deployment options

    Mastra
    Comet
    4
    Mastra
    7

Feature Comparison

Comet ML vs Mastra feature breakdown

Search or filter the full feature matrix, core features, AI, integrations, APIs, security and compliance.

Comet ML
Mastra
Overview
User rating
,
,
Pricing model
FREEMIUM
OPEN_SOURCE
Starting price
$19/mo
$0/mo
Free version
Free trial
Features
Key capabilities
Experiment trackingModel registryProduction monitoringOpik agent tracingTest suites and assertionsLLM evaluation+2
AgentsWorkflowsMemoryObservabilityMCP supportHarness
AI features
LLM evaluation
,
Integrations & API
Integrations
PythonKubernetesAWSGoogle CloudAzureGitHub
OpenAIAnthropicLangChainVercel
Public API
Platforms
Deployment
CloudSelf-hosted
CloudSelf-hosted
Platforms
WebAPI
WebAPILinuxmacOSWindows
Mobile support
Security & Compliance
Compliance
SOC 2ISO 27001GDPR
SOC 2
Vendor
Company
,
,
Verified
Founded
2017
2024
Headquarters
New York, New York, USA
San Francisco, California, USA

Pricing Comparison

Comet ML vs Mastra pricing

Entry pricing, plan tiers and the cost factors that shape total cost of ownership.

Comet ML

$19/mo to start
Free (MLOps)Free
  • 1 user
  • 100GB data storage
  • Fair usage limits
Pro (MLOps)$19/month
  • Per user
  • Up to 10 users
  • 1,500 training hours
  • 500GB storage, email support
Opik Free CloudFree
  • Up to 10 team members
  • 25k spans per month
  • 60-day retention
Opik Pro Cloud$19/month
  • Up to 50 team members
  • 100k spans per month
  • Customizable limits and retention
CustomCustom
  • Unlimited users and usage
  • SSO, dedicated support
  • SOC 2, ISO and HIPAA compliance

Mastra

$0/mo to start
Open sourceFree
  • Apache 2.0 core framework
  • Agents, workflows, memory, evals
  • 90+ model providers
EnterpriseCustom
  • Mastra Enterprise License features
  • Pricing not published

Total cost of ownership factors

Free planComet Mastra
Free trial to evaluateComet Mastra
Transparent published pricingComet Mastra
Public API (build vs. buy add-ons)Comet Mastra

Beyond list price, factor in implementation, training, add-ons and per-seat scaling when estimating total cost of ownership.

Pros & Cons

Comet ML vs Mastra: strengths and trade-offs

Comet ML

Pros

  • Free plan available
  • Broad integration ecosystem (6)
  • Compliance: SOC 2, ISO 27001, GDPR
  • Stronger AI / automation features
  • Public API available

Cons

  • Higher starting price ($19/mo)

Mastra

Pros

  • Free plan available
  • Lower starting price ($0/mo)
  • Compliance: SOC 2
  • Public API available

Cons

  • Fewer native integrations than the alternative

Buyer Fit

Who should use Comet ML vs Mastra?

Startups

Either

Either keeps early-stage costs lowest with its entry tier.

Small businesses

Either

Either offers the most accessible pricing for lean teams.

Agencies

Comet ML

Comet ML connects to more tools for multi-client workflows.

Enterprises

Comet ML

Comet ML leads on compliance and breadth for complex needs.

Ecommerce

Comet ML

Comet ML integrates with more of the commerce stack.

SaaS companies

Comet ML

Comet ML is the more developer- and automation-friendly choice.

Integration overlap

Only in Comet ML (6)

PythonKubernetesAWSGoogle CloudAzureGitHub

Only in Mastra (4)

OpenAIAnthropicLangChainVercel

Keep Exploring

Other alternatives worth considering

Similar mlops products buyers compare alongside Comet ML and Mastra.

Ask SIA which solution fits your business

SIA, Saaskart's AI buying assistant, weighs Comet ML and Mastra against your team size, budget, integrations and compliance needs, then recommends the right fit and the questions to ask each vendor.

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Comet ML vs Mastra, Frequently Asked Questions

What is the difference between Comet ML and Mastra?

Comet ML and Mastra are both MLOps solutions. Comet ML is rated 0.0/5 by 0 users, while Mastra is rated 0.0/5 by 0 users. The main differences lie in pricing, features, and target audience.

Which is better, Comet ML or Mastra?

Based on user ratings, Comet ML scores higher at 0.0/5. The best choice depends on your team size, budget, and specific requirements.

Which is cheaper, Comet ML or Mastra?

Mastra is the more affordable option, starting at $0/month.

Does Comet ML or Mastra have a free plan?

Comet ML offers a free plan. does not have a free tier but offers paid plans.

Can I switch from Comet ML to Mastra?

Switching between Comet ML and Mastra is possible. Both support data export. Check integration compatibility and plan for data migration to minimise disruption to your team.

Who should use Comet ML vs Mastra?

Comet ML is best suited for teams that prioritise enterprise features. Mastra works well for teams looking to start free and scale.

Our Verdict

The bottom line on Comet ML vs Mastra

Best Overall

Either

It's a tie balances user satisfaction and proven adoption.

Best for Startups

Either

It's a tie has the friendliest entry point for new teams.

Best for Enterprise

Comet ML

Comet ML leads on compliance and feature breadth.

Best Value

Either

It's a tie delivers the lowest cost to get started.

Best AI Features

Comet ML

Comet ML ships more AI and automation.

Highest Rated

Either

Both earn equal user ratings.

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