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Test scope & comparison notes
These are recorded facts, not a unified ranking. Tested tiers and scope are not consistently recorded. Read pricing with its date and timing with its conditions. Privacy observations reflect visible flows and statements, not a security audit.
Cross-task capability coverage across selected products
Each product is scored independently per task edge; switch tasks below while keeping shared products selected| Task edge | seaart.ai | DeWatermark | Switch / compare |
|---|---|---|---|
| Background removal | 84/100 2048 × 2048 · PNG | 76/100 1280 × 1280 · PNG | Active task |
| Image upscaling | 79/100 1024 × 1024 · PNG | 81/100 1024 × 1024 · PNG | |
| Object removal | 86/100 2048 × 2048 · PNG | 74/100 1280 × 1280 · PNG | |
| Image generation | 83/100 WEBP · Output attached | Not tested in topic | Compare in task topic → |
| Watermark removal | Not tested in topic | 62/100 1024 × 1024 · PNG | Compare in task topic → |
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Browse this task →| Criterion | SeaArt Background removal 84/100 Seven-aspect task score SeaArt Background Remover achieves top-tier hair strand separation with 99.84% foreground recall on the 2048x2048 benchmark anchor, providing ~150 daily free Stamina and pristine 2048px watermark-free transparent PNGs with excellent commercial honesty despite requiring login and taking ~15.5s. Tested export 2048 × 2048 · PNG Historical test · 2026-11-04 | DeWatermark Background Remover Background removal 76/100 Seven-aspect task score Free and Pro sizes are clearly marked, with 1280px available without login; the subject is retained but fine edges show a light halo. Tested export 1280 × 1280 · PNG Historical test · 2026-10-17 |
|---|---|---|
| Pricing & rules | ||
| Pricing plans | SeaArt.ai Stamina and VIP subscription model · 2026-11-01 Plan · source date Monthly / one-time Annual bill / period Quota & limits Free Tier (Daily Stamina)2026-11-01 ↗ Free Free Free ~150 daily Stamina refreshed every 24 hours Base image generation, upscaling, background removal, and community models；Unused stamina resets daily; standard queue; excludes custom LoRA training；Refreshes daily, no renewal；Perpetual access Standard VIP2026-11-01 ↗ Monthly price not verified — Monthly Higher daily Stamina allowance, bonus coins, and fast-track queues Fast-track generation, concurrent tasks, and commercial licensing；Pricing visible inside account store (typically approx $9.99/mo)；Auto-renews monthly；Active during billing month 2 plan / billing-period records, all listed; — means that period is not recorded. Uses daily regenerating Stamina (~150/day free) plus persistent Coins; paid plans include Standard VIP (~$9.99/mo), Pro (~$29.99/mo), and SVIP tiers detailed within account portals. Verification has gaps; unknown prices and quotas are not inferred. Cancellation, sources & verification recordCancellation and refund terms unverified SeaArt AI Official Homepage and Community ↗ · 2026-11-01 Capture 1 ↗ | Basic web removal and related Pro/credit offers · 2026-10-20 Plan · source date Monthly / one-time Annual bill / period Quota & limits Basic background removal2026-10-20 ↗ Free Free Free Feature page describes free basic removal without watermarks; input up to 5MB Pricing card says 3 daily credits, FAQ says 2; these describe watermark-service credits Pro Pack 12K2026-10-20 ↗ — USD 120/year Annual Selected tier: 12,000 credits; credit table concerns watermark processing Removal feature page lists HD and batch under Pro; input up to 10MB；Unused credits expire at membership end; no automatic renewal 100 credits2026-10-20 ↗ USD 7 · one-time payment Usage / one-time Usage / one-time 100 cross-tool credits; removal cost unspecified Rules [1] 500 credits2026-10-20 ↗ USD 18 · one-time payment Usage / one-time Usage / one-time 500 cross-tool credits; removal cost unspecified Rules [1] 1,000 credits2026-10-20 ↗ USD 25 · one-time payment Usage / one-time Usage / one-time 1,000 cross-tool credits; removal cost unspecified Rules [1] 5,000 credits2026-10-20 ↗ USD 80 · one-time payment Usage / one-time Usage / one-time 5,000 cross-tool credits; removal cost unspecified Rules [1] 10,000 credits2026-10-20 ↗ USD 120 · one-time payment Usage / one-time Usage / one-time 10,000 cross-tool credits; removal cost unspecified Rules [1] 25,000 credits2026-10-20 ↗ USD 250 · one-time payment Usage / one-time Usage / one-time 25,000 cross-tool credits; removal cost unspecified Rules [1] 50,000 credits2026-10-20 ↗ USD 450 · one-time payment Usage / one-time Usage / one-time 50,000 cross-tool credits; removal cost unspecified Rules [1] 100,000 credits2026-10-20 ↗ USD 800 · one-time payment Usage / one-time Usage / one-time 100,000 cross-tool credits; removal cost unspecified Rules [1] 18 plan / billing-period records, all listed; — means that period is not recorded. All four monthly/annual volumes are verified using purchase-button totals (6,000 annual credits cost $90, despite a rounded $8 monthly label). The free card states 3 daily credits but other free statements conflict, so a single free allowance is unconfirmed. The 1/3-credit rules concern watermark removal, not a separately stated background-removal rate. Verification has gaps; unknown prices and quotas are not inferred. Cancellation, sources & verification recordNo automatic renewal; the FAQ states no refund policy, with support available for payment issues. Official plans and usage terms ↗ · 2026-10-20 Capture 1 ↗ · Capture 2 ↗ All Pro volumes and billing periods ↗ · 2026-10-20 Capture 1 ↗ · Capture 2 ↗ · Capture 3 ↗ · Capture 4 ↗ · Capture 5 ↗ · Capture 6 ↗ · Capture 7 ↗ · Capture 8 ↗ |
| Free & trial allowance on the test date | ~150 daily Stamina refreshed every 24h (~3.6-4 Stamina per removal, allowing ~35-40 free removals daily) | Free anonymous 1280×1280 RGBA PNG export; 2048×2048 HD export requires Pro |
| Cancellation & refunds | Not verified | No automatic renewal; the FAQ states no refund policy, with support available for payment issues. |
| Disclosure of costs & limits | Estimated cost clearly shown before triggering removal (4 Stamina, discounted to 3.6) | Explicitly labels 1280x1280px vs HD 2048x2048px on the export buttons |
| Task quality | ||
| Measured fixture results | Edge error MAD: 0.0941 (Lower is better) · Global error SAD(k): 42.688 (Lower is better) · Foreground retention: 99.840% (Higher is better) · Background residue: 0.020% (Lower is better) | Edge error MAD: 0.2254 (Lower is better) · Global error SAD(k): 55.711 (Lower is better) · Foreground retention: 99.500% (Higher is better) · Background residue: 0.230% (Lower is better) |
| Fixture findings | Delivers 99.84% foreground recall and 0.02% background leak at 2048x2048, with natural boundary transitions, authentic Alpha channel, and zero watermarks. | This test exported a free 1280px image without a watermark; a translucent halo remains around the hair. |
| Original historical observation | SeaArt demonstrated top-tier precision on anchor_bgremove_v1, preserving delicate curly hair strands (99.84% recall) with near-zero background residue (0.02% leak) at 2048x2048. | DeWatermark Background Remover cleanly isolates the portrait subject (99.50% foreground recall) and exports a watermark-free 1280×1280 RGBA PNG, leaving a mild soft halo around fine outer curls (mad_band = 0.2254). |
| Suitable uses · historical assessment | Designers and creators requiring ultra-high hair strand retention and full 2048px clean PNGs | Users already using DeWatermark who need a quick no-login 1280×1280 transparent cutout |
| Result & output evidence | ||
| Delivery capabilities | ||
| Recorded export specifications | 2048 × 2048 · PNG · No watermark in test | 1280 × 1280 · PNG · No watermark in test |
| Historical specification note · not an official maximum | 2048 × 2048 (100% original size transparent PNG, no watermarks) | 1280 × 1280 (Unwatermarked transparent PNG) |
| Watermark observation | No watermark | Watermark-free |
| Batch & API | Single-image processing and gallery history management | Supports API integration and cross-tool workflow |
| Recorded free-tier dimensions | 2048 × 2048 | 1280 × 1280 |
| Attached file dimensions | 2048 × 2048 · PNG | 1280 × 1280 · PNG |
| Speed & reliability | ||
| Timing observation | Network-observed server wait: 15.49s · End-to-end reference: 15.49s | Network-observed server wait: 6.5s · End-to-end reference: 8.1s |
| Date & fixture | 2026-11-04 · anchor_bgremove_v1 · US-West (California, AS2914) | 2026-10-17 · anchor_bgremove_v1 · US-West (California, AS2914) |
| Repeated tests & reliability | No standardized repetition count, success rate or variability range is recorded. | No standardized repetition count, success rate or variability range is recorded. |
| Interaction experience | ||
| Account requirements | Account required in this test | No login in this test |
| Sign-in methods | Account required (Google SSO and email registration supported) | No login required; optional email/Google login |
| Manual adjustment | Not verified | Not verified |
| Interaction observations | Not verified | Allows instant anonymous download of the 1280×1280 unwatermarked RGBA PNG and built-in background color/image replacement. |
| Background & reputation | ||
| Service lifecycle notice | Not verified | Not verified |
| Operator | STAR CLOUD PTE. LTD. | XTeam (DeWatermark.ai) |
| Recorded origin | Not verified | Global AI Vision Team (XTeam) |
| Domain history record | Not verified | 2023–present |
| Background & reputation assessment | Not verified | Operated by XTeam (DeWatermark.ai) alongside its flagship watermark remover and photo enhancer. |
| External reputation record | Not verified | Not verified |
| Engineering & privacy | ||
| Processing location | Uploaded for cloud processing | Uploaded for cloud processing |
| Third-party tracking record | Google Tag Manager · Cloudflare · Stripe | Not verified |
| Engineering & privacy assessment | Not verified | 60-minute automatic cloud file deletion policy; no silent browser pre-downscale. |
| Retention statement | Explicit retention period unconfirmed; inspect policy record | Claims deletion within 60 minutes; deletion not independently verified |
| Evaluation basis | ||
| Pricing transparency | 27 / 35 Clearly displays 'Download 1280x1280px' (free) next to 'Download HD 2048x2048px' (Pro) immediately after cutout completion (02_workspace.png, 03_download.png). | |
| Interaction restraint | 25 / 30 Allows instant anonymous download of the 1280×1280 unwatermarked RGBA PNG and built-in background color/image replacement. | |
| Background & reputation | 17.5 / 20 Operated by XTeam (DeWatermark.ai) alongside its flagship watermark remover and photo enhancer. | |
| Engineering & privacy | 12.5 / 15 60-minute automatic cloud file deletion policy; no silent browser pre-downscale. | |
| Task quality | 58 / 65 Transition band error mad_band=0.0941 · Global SAD(k)=42.688 · Foreground recall 99.84% / Background leak 0.020% | 46 / 65 High subject completeness (fg_recall = 99.50%) and low background leak (0.230%), with a soft semi-transparent halo along outer frizzy hair curls (mad_band = 0.2254, SAD(k) = 55.711) (46.0/65). |
| Deliverable specifications | 20 / 20 True Alpha channel (8/8); Max deliverable spec: 2048 × 2048 (100% original size transparent PNG, no watermarks) | 15 / 20 Free tier exports 1280×1280 unwatermarked 8-bit Alpha RGBA PNG (15.0/20). |
| Processing speed | 8 / 15 Network-observed server wait: 15.49s (API mode: async_verified; network upload 0s / end-to-end 15.49s shown for reference only, never penalized) | |
