Price checkMonthly
Startup$150/moLab$250/moSelf-HostedCustom
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All Neptune.ai Plans & Pricing

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

Startup

  • 1 billion data points/month
  • 1 TB storage
  • 99.99% ingestion SLA
  • Experiment tracking
  • Model registry
  • Standard email and chat support

Lab

  • 10 billion data points/month
  • 10 TB storage
  • 99.99% ingestion SLA
  • Priority email, chat, and Slack support 24/5
  • Advanced model registry
  • Team collaboration tools

Self-Hosted

  • No storage limits
  • On-premises or private cloud deployment
  • Priority support
  • Custom SLAs
  • Full data ownership
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Tier
Billing
Your projected cost$3.8Kper month · $150/unit × 25units
Year 1 license$45K12 months at this rate
At a glance

List price by tier (annualized, per unit)

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

Startup$1.8K/yr
Lab$3.0K/yr
Self-HostedCustom
Quick Answer
Last verified:
Estimate

Neptune.ai costs $150 to $250 per month as of August 2026, with 3 plans available. Plans: Startup at $150/month, and Lab at $250/month. Custom 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: No free tier available

Neptune.ai offers 3 pricing tiers: Startup, Lab, Self-Hosted. Paid plans include Startup at $150/per user/month, Lab at $250/per user/month. The Lab plan is large ml research labs training large-scale foundation models.

Compared to other mlops platforms software, Neptune.ai is positioned at the premium price point.

  • 7 documented hidden costs beyond list price
  • Contracts auto-renew
  • G2 rating: 4.5 out of 5 from 215 reviews (as of Jul 2026)
Last verified: | Sources: 1 pricing pages and reviews

How much does Neptune.ai cost?

Neptune.ai pricing starts at $150/month across 3 plans, with enterprise pricing available on request. Plans include Startup at $150/month, Lab at $250/month, Self-Hosted (custom pricing).

Neptune.ai Pricing Overview

Neptune.ai has 3 pricing plans ranging from $150 to $250/month. The Startup plan costs $150/month, best for teams tracking foundation model training experiments at moderate scale. The Lab plan costs $250/month, best for large ml research labs training large-scale foundation models. The Self-Hosted plan requires contacting sales for a custom quote and is designed for organizations requiring full data control and on-premises deployment.

Neptune.ai contracts auto-renew.

There are at least 7 documented hidden costs beyond Neptune.ai's list price, including implementation, training, and add-on fees.

This pricing was last verified in May 5, 2026 from 1 independent source.

See Neptune.ai Plans
Neptune.ai is an experiment tracker and model registry purpose-built for foundation model training teams. In December 2025 Neptune was acquired by OpenAI; its standalone SaaS service sunset on March 5, 2026. Prior to sunset, Neptune offered Startup ($150/user/month) and Lab ($250/user/month) plans with data-point-based billing, plus a self-hosted option. Teams previously on Neptune should evaluate alternatives such as Weights & Biases or ClearML.

How Neptune.ai Pricing Compares

Compare Neptune.ai pricing against top alternatives in MLOps Platforms.

Weights & Biases $0-$60 Compare → ClearML $0-$15 Compare → Comet ML $0-$19 Compare →

Compare Neptune.ai vs Alternatives

Before committing to Neptune.ai, compare pricing with these 3 alternatives in the same category.

VSWeights & Biases
Free

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

Full comparison
VSClearML
Free

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

Full comparison
VSComet ML
Free

Growing teams needing expanded LLM observability with customizable usage limits

Full comparison

All Neptune.ai alternatives & migration guides

What Companies Actually Pay for Neptune.ai

Review scores
G2 4.5out of 5 (215)
Third-party review aggregates, as of Jul 2026
Top pricing complaints
steep learning curveundocumented featuresneed for coding skillsworkspace window of the IDE could be more flexible (inability to work across multiple windows)

How Neptune.ai Pricing Compares

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

Detailed pricing comparisons:

Browse all MLOps Platforms pricing →

7 Neptune.ai Hidden Costs Beyond the List Price

Beyond the listed price, Neptune.ai has at least 7 documented hidden costs that can significantly increase total cost of ownership.

Watch for 7 hidden costs
  • Data Preparation 30-40% of the total project effort and 15-35% of project costs
    critical 1 source
    industry "It involves cleaning, normalizing, labeling, annotating, and ensuring privacy compliance for data, as well as constructing data pipelines."
  • Integration Engineering 15-25% of hidden costs
    high 1 source
    industry "Integration Engineering: Connecting MLOps platforms with existing workflows, data sources, and output channels often requires significant custom development, accounting for 15-25% of hidden costs."
  • Human Capital/Talent Premiums
    critical 1 source
    industry "Human Capital/Talent Premiums: The salaries for specialized ML engineers, DevOps specialists, and MLOps experts needed to set up and maintain an MLOps platform can be the largest and most underestimated expense, often exceeding hardware costs."
  • Ongoing Maintenance and Retraining 15-30% of infrastructure costs annually; $120,000 in the first year alone for a system with an initial development cost of $75,000
    high 1 source
    industry "The accumulated hidden costs for manual monitoring, retraining, and data validation can be substantial, with one example showing $120,000 in the first year alone for a system with an initial development cost of $75,000."
  • Operational Overhead
    medium 1 source
    industry "Operational Overhead: This includes expenses like network bandwidth, security, and general maintenance."
  • Idle Infrastructure and Resource Waste $500 and $23,000 monthly for idle AI endpoints; GPU utilization often around 20-40%
    high 1 source
    industry "GPU utilization for AI inference workloads often hovers around 20-40%, leading to significant waste."
  • Compliance and Governance 10-15% for compliance and safety frameworks
    high 1 source
    industry "Compliance and Governance: For regulated industries, ensuring data privacy, decision traceability, and model unpredictability adds additional costs, sometimes 10-15% for compliance and safety frameworks."
Tip

Ask your Neptune.ai 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. 8 source citations total.

Neptune.ai Contract Terms

Neptune.ai contracts auto-renew. Changes require advance notice. These terms are sourced from verified buyer experiences.

Contract Terms
Auto-Renewal Yes
Based on 1 verified source

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