Cheapest Kling 3.0 API
Ranked by verified cost per second in the comparable ~720p class, July 2026. Every price links to its source; audio and tier caveats are flagged inline.
$0.084/second
#1 (verified) · fal.ai · standard · 720p · audio off · a 5s clip ≈ $0.42 · checked Jul 30, 2026
Cheapest Kling 3.0: quick facts
- Cheapest verified rate: $0.084/second on fal.ai (standard, 720p, audio off) — checked Jul 30, 2026.
- Across 4 providers, Kling 3.0 runs $0.084–$0.42/second (5.0× spread).
- A 5-second clip costs $0.42 at the cheapest verified rate, up to $2.10 at the priciest tracked tier.
- Billing schemes differ by provider (per-second, per-clip); all rates above are normalized to USD per second of output.
Bottom line: fal.ai at $0.084/s is both the cheapest verified and the sensible default choice.
The ranking
Comparable ~720p-class records, cheapest first.
| Provider | Trust | Mode | Tier | Res | Audio | $ / second | 5s clip | Verified | Source |
|---|---|---|---|---|---|---|---|---|---|
| fal.aiCHEAPEST VERIFIEDTry → | high | Text → Video | standard | 720p | — | $0.084 | $0.42 | verified Jul 30, 2026 | source ↗ |
| WaveSpeedAI | medium | Text → Video | standard | 720p | — | $0.084 | $0.42 | verified Jul 30, 2026 | source ↗ |
| PiAPI | medium | Text → Video | standard | 720p | — | $0.10 | $0.50 | verified Jul 30, 2026 | source ↗ |
| fal.ai | high | Text → Video | standard | 720p | ✓ | $0.13 | $0.63 | verified Jul 30, 2026 | source ↗ |
| WaveSpeedAI | medium | Text → Video | standard | 720p | ✓ | $0.13 | $0.63 | verified Jul 30, 2026 | source ↗ |
| PiAPI | medium | Text → Video | standard | 720p | ✓ | $0.15 | $0.75 | verified Jul 30, 2026 | source ↗ |
| Novita.ai | medium | Text → Video | standard | 720p | — | $0.17 | $0.84 | verified Jul 30, 2026 | source ↗ |
| Novita.ai | medium | Text → Video | standard | 720p | ✓ | $0.25 | $1.26 | verified Jul 30, 2026 | source ↗ |
How each price was normalized (derivations & sources)
- fal.ai · standard · 720p: Kling V3 Standard at $0.084/sec without audio on fal.ai; cited in fal.ai Seedance vs Kling comparison source ↗
- WaveSpeedAI · standard · 720p: $0.420 per 5s clip divided by 5s = $0.084/s; WaveSpeed billing rule confirmed at $0.42 per 5s = $0.084/s source ↗
- PiAPI · standard · 720p: PiAPI directly publishes $0.10/sec for Kling 3.0 at 720p without audio source ↗
- fal.ai · standard · 720p: Kling V3 Standard at $0.126/sec with audio on fal.ai; audio adds 50% surcharge ($0.042/s) source ↗
- WaveSpeedAI · standard · 720p: $0.630 per 5s clip with sound divided by 5s = $0.126/s; sound surcharge is 1.5x base rate source ↗
- PiAPI · standard · 720p: PiAPI directly publishes $0.15/sec for Kling 3.0 at 720p with audio source ↗
- Novita.ai · standard · 720p: Novita.ai blog published $0.168/s for Kling 3.0 Standard without audio; per-second billing source ↗
- Novita.ai · standard · 720p: Novita.ai blog published $0.252/s for Kling 3.0 Standard with audio; 1.5x audio surcharge source ↗
All Kling 3.0 price points
Including other resolutions and tiers (not directly comparable to the ranking above — a 480p fast tier is not the same product as 1080p standard).
| Provider | Trust | Mode | Tier | Res | Audio | $ / second | 5s clip | Verified | Source |
|---|---|---|---|---|---|---|---|---|---|
| fal.ai | high | Text → Video | standard | 720p | — | $0.084 | $0.42 | verified Jul 30, 2026 | source ↗ |
| WaveSpeedAI | medium | Text → Video | standard | 720p | — | $0.084 | $0.42 | verified Jul 30, 2026 | source ↗ |
| PiAPI | medium | Text → Video | standard | 720p | — | $0.10 | $0.50 | verified Jul 30, 2026 | source ↗ |
| fal.ai | high | Text → Video | pro | 1080p | — | $0.11 | $0.56 | verified Jul 30, 2026 | source ↗ |
| WaveSpeedAI | medium | Image → Video | pro | 1080p | — | $0.11 | $0.56 | verified Jul 30, 2026 | source ↗ |
| WaveSpeedAI | medium | Text → Video | pro | 1080p | — | $0.11 | $0.56 | verified Jul 30, 2026 | source ↗ |
| fal.ai | high | Text → Video | standard | 720p | ✓ | $0.13 | $0.63 | verified Jul 30, 2026 | source ↗ |
| WaveSpeedAI | medium | Text → Video | standard | 720p | ✓ | $0.13 | $0.63 | verified Jul 30, 2026 | source ↗ |
| PiAPI | medium | Text → Video | standard | 720p | ✓ | $0.15 | $0.75 | verified Jul 30, 2026 | source ↗ |
| PiAPI | medium | Text → Video | pro | 1080p | — | $0.15 | $0.75 | verified Jul 30, 2026 | source ↗ |
| fal.ai | high | Text → Video | pro | 1080p | ✓ | $0.17 | $0.84 | verified Jul 30, 2026 | source ↗ |
| WaveSpeedAI | medium | Image → Video | pro | 1080p | ✓ | $0.17 | $0.84 | verified Jul 30, 2026 | source ↗ |
| Novita.ai | medium | Text → Video | standard | 720p | — | $0.17 | $0.84 | verified Jul 30, 2026 | source ↗ |
| PiAPI | medium | Text → Video | pro | 1080p | ✓ | $0.20 | $1.00 | verified Jul 30, 2026 | source ↗ |
| Novita.ai | medium | Text → Video | pro | 1080p | — | $0.22 | $1.12 | verified Jul 30, 2026 | source ↗ |
| Novita.ai | medium | Text → Video | standard | 720p | ✓ | $0.25 | $1.26 | verified Jul 30, 2026 | source ↗ |
| Novita.ai | medium | Text → Video | pro | 1080p | ✓ | $0.34 | $1.68 | verified Jul 30, 2026 | source ↗ |
| WaveSpeedAI | medium | Text → Video | standard | 4k | ? | $0.42 | $2.10 | verified Jul 30, 2026 | source ↗ |
How each price was normalized (derivations & sources)
- fal.ai · standard · 720p: Kling V3 Standard at $0.084/sec without audio on fal.ai; cited in fal.ai Seedance vs Kling comparison source ↗
- WaveSpeedAI · standard · 720p: $0.420 per 5s clip divided by 5s = $0.084/s; WaveSpeed billing rule confirmed at $0.42 per 5s = $0.084/s source ↗
- PiAPI · standard · 720p: PiAPI directly publishes $0.10/sec for Kling 3.0 at 720p without audio source ↗
- fal.ai · pro · 1080p: Directly published per-second rate for Kling 3.0 Pro without audio at 1080p on fal.ai source ↗
- WaveSpeedAI · pro · 1080p: $0.560 per 5s i2v clip at Pro without sound divided by 5s = $0.112/s source ↗
- WaveSpeedAI · pro · 1080p: WaveSpeed Kling 3.0 Pro T2V starts at $0.56 per 5s clip; $0.56/5 = $0.112/s source ↗
- fal.ai · standard · 720p: Kling V3 Standard at $0.126/sec with audio on fal.ai; audio adds 50% surcharge ($0.042/s) source ↗
- WaveSpeedAI · standard · 720p: $0.630 per 5s clip with sound divided by 5s = $0.126/s; sound surcharge is 1.5x base rate source ↗
- PiAPI · standard · 720p: PiAPI directly publishes $0.15/sec for Kling 3.0 at 720p with audio source ↗
- PiAPI · pro · 1080p: PiAPI directly publishes $0.15/sec for Kling 3.0 at 1080p (pro mode) without audio source ↗
- fal.ai · pro · 1080p: Directly published per-second rate for Kling 3.0 Pro with audio at 1080p on fal.ai; audio adds $0.056/s (50%) source ↗
- WaveSpeedAI · pro · 1080p: $0.840 per 5s i2v clip at Pro with sound divided by 5s = $0.168/s; 1.5x surcharge for sound source ↗
- Novita.ai · standard · 720p: Novita.ai blog published $0.168/s for Kling 3.0 Standard without audio; per-second billing source ↗
- PiAPI · pro · 1080p: PiAPI directly publishes $0.20/sec for Kling 3.0 at 1080p with audio source ↗
- Novita.ai · pro · 1080p: Novita.ai blog published $0.224/s for Kling 3.0 Pro without audio source ↗
- Novita.ai · standard · 720p: Novita.ai blog published $0.252/s for Kling 3.0 Standard with audio; 1.5x audio surcharge source ↗
- Novita.ai · pro · 1080p: Novita.ai blog published $0.336/s for Kling 3.0 Pro with audio source ↗
- WaveSpeedAI · standard · 4k: WaveSpeed Kling V3.0 4K T2V starts at $2.10 per run; at 5s = $2.10/5 = $0.42/s source ↗
Cheapest Kling 3.0: FAQ
What is the cheapest Kling 3.0 API right now?
As of Jul 30, 2026, the cheapest verified Kling 3.0 rate in its comparable ~720p class is $0.084 per second on fal.ai (standard tier, audio off). Runner-up (verified): WaveSpeedAI at $0.084/s.
Is the cheapest Kling 3.0 provider safe to use?
Cheaper relays and aggregators are usually legitimate but vary in reliability, queue times and support. Rows marked "verified" link to a published price we checked directly; "reported" rows come from secondary sources. For production traffic, weigh provider reputation alongside price — the biggest names are not always the cheapest, and the cheapest is not always the most reliable.
Why do Kling 3.0 prices differ so much between providers?
Providers negotiate different wholesale terms, run different infrastructure, and choose different margins. Some subsidize prices to win developers. Differences of 2–5× for the same model and resolution are normal in this market, which is exactly why per-second normalization matters.