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PureMIDI vs Runway

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

Verdict

PureMIDI is listed under Audio & Speech AI and Runway under Image & Visual AI. Runway scores higher in FinderAtlas's editorial review (8.4 vs 7.3 out of 10). Both have a free plan or trial. Only Runway is available on iOS and Android and offers an API.

Best overall

Runway

  • Filmmakers
  • Video creators
  • Marketers and ad teams
  • Designers

Choose PureMIDI if

  • You want a tool built for turning a hummed or played melody, a recorded riff or a PDF score into editable MIDI for a DAW or notation program.
  • Pay-per-use credit packs with no subscription, starting at $4.99 for 30 credits.
  • Failed conversions are not charged.

Choose Runway if

  • You want a tool built for Text-to-video and image-to-video generation.
  • Combines video, image and audio generation and editing in one workspace.
  • Offers Runway's own Gen-4.5 plus third-party models such as Seedance 2.0.
Best for beginners
PureMIDI
Best for business
Runway

Features

17 features compared.

  • Audio to MIDI
    PureMIDI
    Available
    Runway
    Not available
  • Free preview
    PureMIDI
    Available
    Runway
    Not available
  • Sheet music to MIDI (Beta)
    PureMIDI
    Available
    Runway
    Not available
  • Browser MIDI editor
    PureMIDI
    Available
    Runway
    Not available
  • Video and YouTube workflows
    PureMIDI
    Available
    Runway
    Not available
  • Format-specific tools
    PureMIDI
    Available
    Runway
    Not available
  • DAW and notation compatibility
    PureMIDI
    Available
    Runway
    Not available
  • Pay-per-success credits
    PureMIDI
    Available
    Runway
    Not available
  • Gen-4.5 video model
    PureMIDI
    Not available
    Runway
    Available
  • Creative Agent
    PureMIDI
    Not available
    Runway
    Available
  • Multiple models
    PureMIDI
    Not available
    Runway
    Available
  • Characters
    PureMIDI
    Not available
    Runway
    Available
  • Aleph and Act-Two
    PureMIDI
    Not available
    Runway
    Available
  • Audio tools
    PureMIDI
    Not available
    Runway
    Available
  • Workflows and Recipes
    PureMIDI
    Not available
    Runway
    Available
  • Runway Dev API
    PureMIDI
    Not available
    Runway
    Available
  • Runway MCP
    PureMIDI
    Not available
    Runway
    Available

Pricing

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

  • Pricing model
    PureMIDI
    Freemium
    Runway
    Freemium
  • Free plan
    PureMIDI
    Yes
    Runway
    Yes
  • Starting price
    PureMIDI
    $0
    Runway
    $0
  • Plans
    PureMIDI
    4 plans
    Runway
    4 plans

PureMIDI plans

  • Free account

    $0

    Free previews and a small starter credit gift

    • Audio preview up to 30 seconds
    • First-page preview of PDF scores
    • 2 gift credits for eligible new accounts valid 14 days

  • Starter

    Most popular

    $4.99/one-time

    30 credits, the pack the site marks as recommended

    • 30 credits
    • About 30 single-melody conversions
    • About 7 PDF or image score conversions
    • About 2 to 5 full songs

  • Standard

    $9.99/one-time

    100 credits

    • 100 credits
    • About 100 single-melody conversions
    • About 25 score conversions
    • About 6 to 16 full songs

  • Pro

    $19.99/one-time

    300 credits

    • 300 credits
    • About 300 single-melody conversions
    • About 75 score conversions
    • About 20 to 50 full songs

Runway plans

  • Free

    $0

    125 one-time credits that do not expire

    • A selection of generative models
    • 5GB storage

  • Standard

    $15/month

    625 credits per month; $12 per month billed annually

    • All video and image models
    • Creative Agent
    • 5 parallel generations
    • Music and voice and sound effects
    • Up to 3 projects
    • No watermarks
    • 4K upscaling
    • 20GB storage

  • Pro

    Most popular

    $35/month

    2,250 credits per month; $28 per month billed annually

    • Everything in Standard
    • 15 parallel generations
    • Up to 5 projects
    • 1 Brand Kit
    • 1 custom voice clone
    • Top-up credits
    • Runway MCP
    • Unlimited 4K video upscaling
    • 100GB storage

  • Max

    $95/month

    9,500 credits per month; $76 per month billed annually

    • Everything in Pro
    • Early access to new models
    • 20 parallel generations
    • Up to 10 projects
    • Up to 3 Brand Kits
    • Up to 3 custom voice clones
    • HDR and ProRes and image sequence outputs
    • 500GB storage

Our ratings

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

PureMIDI
7.3overall
Runway
8.4overall

  • Ease of Use

    PureMIDI
    8.0
    Runway
    Not rated

  • Feature Depth

    PureMIDI
    7.5
    Runway
    Not rated

  • Value for Money

    PureMIDI
    7.5
    Runway
    Not rated

  • Performance & Speed

    PureMIDI
    7.0
    Runway
    Not rated

  • Documentation & Support

    PureMIDI
    6.5
    Runway
    Not rated

  • Video Quality

    PureMIDI
    Not rated
    Runway
    9.0

  • Camera & Motion Control

    PureMIDI
    Not rated
    Runway
    8.8

  • Model Variety

    PureMIDI
    Not rated
    Runway
    8.5

  • Editing Tools

    PureMIDI
    Not rated
    Runway
    8.6

  • Pricing Clarity

    PureMIDI
    Not rated
    Runway
    7.2

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

PureMIDI

Pros

  • Pay-per-use credit packs with no subscription, starting at $4.99 for 30 credits
  • Failed conversions are not charged
  • Free previews let users check quality before spending credits
  • Covers audio, video, sheet music and existing MIDI in one workspace, with MusicXML export
  • In-browser multi-track editor with piano-roll, notation and guitar TAB views
  • States a clear retention policy (successful uploads deleted within 3 days)

Cons

  • No named legal entity, address or founding date on the site
  • No public API and no native app
  • Paid charges are non-refundable except where required by law
  • Sheet-music, PDF and drum conversion are labeled Beta, and AI Music generation and Text to MIDI are only waitlisted
  • 25 MB upload limit and full-song conversions cost 6 to 15 credits each

Runway

Pros

  • Combines video, image and audio generation and editing in one workspace
  • Offers Runway's own Gen-4.5 plus third-party models such as Seedance 2.0
  • Creative Agent builds videos from a conversation
  • Runway Dev API with Node and Python SDKs
  • Free plan with 125 credits that do not expire
  • Native iOS and Android apps

Cons

  • Credit-based pricing: a 5-second Gen-4.5 clip costs 60 credits, so the 625 credits on Standard cover about 10 such clips
  • Standard and Pro credits do not roll over at the end of the month
  • Some App Store reviewers complain about the cost of failed or unusable generations
  • 4K upscaling is unlimited only on Pro and Max

Platforms

  • Web
    PureMIDI
    Supported
    Runway
    Supported
  • Windows
    PureMIDI
    Not supported
    Runway
    Not supported
  • macOS
    PureMIDI
    Not supported
    Runway
    Not supported
  • iOS
    PureMIDI
    Not supported
    Runway
    Supported
  • Android
    PureMIDI
    Not supported
    Runway
    Supported
  • API
    PureMIDI
    Not supported
    Runway
    Supported
  • Browser Extension
    PureMIDI
    Not supported
    Runway
    Not supported

Integrations

PureMIDI

No integrations listed.

Runway

5 integrations
  • Runway MCP
  • ChatGPT plugin
  • Meta Ads
  • Google Ads
  • TikTok Ads

Company

  • Company
    PureMIDI
    PureMIDI
    Runway
    Runway AI, Inc.
  • Founded
    PureMIDI
    Not listed
    Runway
    2018
  • Headquarters
    PureMIDI
    Not listed
    Runway
    New York, NY
  • Listing
    PureMIDI
    Claimed
    Runway
    Claimed

Frequently asked questions

Is PureMIDI better than Runway?

It depends on your workflow. PureMIDI is built for turning a hummed or played melody, a recorded riff or a PDF score into editable MIDI for a DAW or notation program. Runway is built for Text-to-video and image-to-video generation.

What are the key feature differences between PureMIDI and Runway?

PureMIDI: Convert audio and sheet music to editable MIDI, then refine it in your browser. Runway: AI video, image and audio creation suite with Gen-4.5, agents and an API.

Does PureMIDI or Runway have a free plan?

Yes, both do. PureMIDI is freemium and Runway is freemium, and each has a free plan or trial.

Which is cheaper, PureMIDI or Runway?

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