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Software · head to head

Helicone vs PaintTool SAI

Helicone logo

Helicone

Software

Open-source LLM observability and gateway platform for AI applications

From
Free
Rated
-
Full reviewWebsite
PaintTool SAI logo

PaintTool SAI

Software

Lightweight digital painting and illustration software for Windows

From
5500/month
Rated
-
Full reviewWebsite

The short version

  • Only Helicone has a free tier, so it costs nothing to try first.
  • Each has a real cost: Helicone the free Hobby plan is capped at 10,000 requests per month, which teams with production traffic can exceed quickly.; PaintTool SAI windows-only software with no native Mac or Linux version.
  • They diverge on capability: Helicone covers Request dashboard and tracking, PaintTool SAI covers Pressure-Sensitive Tablet Support.

Where they differ

Only the attributes on which Helicone and PaintTool SAI actually diverge.

Attributes where Helicone and PaintTool SAI differ
AttributeHeliconePaintTool SAI
Starting priceFree5500/month
Pricing modelfreemiumone-time
Free tierYesNo
Platformsweb, apiwindows

Identical on both: user rating (Not yet rated), category (Unknown).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Helicone

  • Request dashboard and tracking
  • Sessions and segments
  • Helicone Query Language (HQL)
  • Prompt datasets and improvement
  • Playground
  • Rate limits and alerts

Only in PaintTool SAI

  • Pressure-Sensitive Tablet Support
  • Anti-Aliased Brushes
  • 16-bit ARGB Color Channels
  • Lightweight Performance
  • Crash Data Protection

What people use each for

The jobs each tool is most often brought in to do.

Helicone

  • Monitoring cost and latency of production LLM applicationsnot PaintTool SAI
  • Debugging multi-step agent sessionsnot PaintTool SAI
  • Managing and iterating on prompts across a teamnot PaintTool SAI
  • Routing requests across multiple LLM providersnot PaintTool SAI

PaintTool SAI

  • Digital illustration and manga artnot Helicone
  • Line art and inking with pressure-sensitive pensnot Helicone
  • Lightweight painting on lower-spec computersnot Helicone
  • Character and concept art sketchingnot Helicone

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Helicone

  • The free Hobby plan is capped at 10,000 requests per month, which teams with production traffic can exceed quickly.
  • Advanced compliance features like SOC 2 and HIPAA are only available starting at the $799/month Team plan.
  • Usage beyond the free tier is billed on top of the base subscription, adding cost unpredictability at scale.
  • On-premises deployment is restricted to the custom Enterprise tier.

PaintTool SAI

  • Windows-only software with no native Mac or Linux version.
  • Only supports 32-bit operation, lacking modern 64-bit performance benefits.
  • Lacks the advanced brush engine customization and layer effects found in tools like Photoshop or Clip Studio Paint.
  • No cloud sync or mobile app, unlike many modern illustration tools.

Pricing, plan by plan

Helicone

Free
  • HobbyFree
    • 10,000 free requests
    • 1 GB storage
    • 1 seat
  • Pro$79/month
    • 10K free requests included, usage-based beyond
    • 7-day free trial
    • Unlimited playgrounds and workspaces
  • Team$799/month
    • 5 organizations
    • SOC 2 and HIPAA compliance
    • Dedicated Slack channel access
  • Enterprise$undefined/mo
    • Custom MSAs and SAML SSO
    • On-premises deployment
    • Bulk cloud discounts

PaintTool SAI

5500/month
  • Standard License$5500/month
    • Perpetual license
    • All 1.x.x minor updates
    • Free upgrade path to version 2

Which should you pick?

Choose Helicone if

  • You need request dashboard and tracking.
  • You want to start without paying.
  • You work on web, api.
  • You also want sessions and segments.
Helicone review

Choose PaintTool SAI if

  • You need pressure-sensitive tablet support.
  • You work on windows.
  • You also want anti-aliased brushes.
PaintTool SAI review

Questions people ask

Is Helicone or PaintTool SAI better?
Neither clearly leads. Helicone starts at Free and PaintTool SAI at 5500/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Helicone or PaintTool SAI?
Helicone has a free tier; the other does not. Paid plans start at Free for Helicone and 5500/month for PaintTool SAI.
Does Helicone or PaintTool SAI run on more platforms?
Helicone runs on web, api. PaintTool SAI runs on windows.
Can I use Helicone for free?
Yes. Helicone has a free tier, so you can try it without paying. PaintTool SAI starts at 5500/month.
What is Helicone best used for?
Helicone is most often used for monitoring cost and latency of production llm applications, debugging multi-step agent sessions, managing and iterating on prompts across a team, routing requests across multiple llm providers. Of those, monitoring cost and latency of production llm applications and debugging multi-step agent sessions are not what PaintTool SAI is typically brought in for.
What can Helicone do that PaintTool SAI cannot?
Helicone covers Request dashboard and tracking, Sessions and segments, Helicone Query Language (HQL), Prompt datasets and improvement. PaintTool SAI covers Pressure-Sensitive Tablet Support, Anti-Aliased Brushes, 16-bit ARGB Color Channels, Lightweight Performance.

Answered from the vendors’ own pages

Helicone: What does Helicone cost?

Helicone offers a free Hobby plan, a Pro plan at $79/month, a Team plan at $799/month, and custom Enterprise pricing, with usage-based charges applying beyond included request limits.

Source
PaintTool SAI: Is there a free trial for PaintTool SAI?

Yes, PaintTool SAI offers a 31-day free trial with full functionality before requiring purchase of a license.

Source
Helicone: Is there a free plan, and what are its limits?

The free Hobby plan includes 10,000 requests per month, 1 GB of storage, 1 seat, and 1 organization, aimed at kickstarting AI projects.

Source
PaintTool SAI: What does the license cover?

The one-time 5,500 JPY purchase provides a perpetual license covering all minor updates within version 1.x.x; a major version 2 upgrade is offered for free.

Source
Helicone: Are there discounts available?

Helicone offers 50% off the first year for qualifying startups, discounts for non-profits, a $100 annual credit for open-source projects, and free access for students.

Source
PaintTool SAI: What operating systems are supported?

PaintTool SAI runs on Windows XP through Windows 11, but only in 32-bit mode, requiring at least a 450MHz Pentium processor and 256MB of RAM.

Source
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