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Kling 2.1

Video Retired Full comparison ↗

klingai/kling-2-1 · by Kuaishou Technology · Diffusion transformer (DiT)

Pricing — 1 offering(s)

Kling AI (Kuaishou)

Standard 720p

Retired — no longer sold · last price $0.06 / second, until 2026-09-15

  • $0.06 / second Historical 2026-06-13 → 2026-09-15
    Estimated. The Kling AI API platform (platform.klingai.com) appears geo-restricted and could not be accessed…

    Estimated. The Kling AI API platform (platform.klingai.com) appears geo-restricted and could not be accessed from public infrastructure as of June 2026. Estimate derived from fal.ai's rate for Kling 2.5 Turbo Pro ($0.07/s) discounted ~15% for the older 2.1 generation. Entry closed 2026-09-15: model retired (see below) — this was already only an estimate and is now unconfirmable since the model is no longer servable at all.

Showing the active price and any recorded history. Full pricing history is available via the paid API — see API docs.

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Capability profile

How Kling 2.1 rates across core capability dimensions, with the task-level evidence behind each rating.

Prompt adherence Strong
temporal consistency Strong

Kling is widely noted for strong subject consistency across frames.

motion quality Strong

Natural character motion; strong physics understanding.

native audio Moderate

Audio generation available as an optional add-on; quality is variable.

character consistency Strong

One of the stronger models for consistent identity across a clip.

camera control Moderate
clip duration ceiling Moderate

Up to 10 seconds per call.

Resolution ceiling Moderate

Max 1080p via API.

Inference speed Moderate

Cloud-hosted generation; typical latency in the 60–120s range for a 5–10s clip. No turbo/fast mode currently available via public API. Comparable to peers in the frontier closed-source tier.

cost efficiency Moderate
video editing Moderate

KlingAI platform exposes character reference and style reference conditioning that goes beyond I2V start-frame anchoring — the reference image anchors character identity across a new generation rather than serving as the first frame. No inpainting or mask-guided element replacement exposed via public API.

Ratings are estimated — limited independent data is available for this model.

Operator guidance

Choose Kling 2.1 for character-heavy content where identity consistency is paramount. Note that API pricing is estimated (native platform is not publicly accessible from all regions); verify at platform.klingai.com before committing to production use. Audio add-on available if required.

Use cases

Provenance notice

  • Chinese-origin model; subject to Chinese data regulations and content moderation policies
  • Content policy restrictions may differ from Western providers for certain topics

Limitations

Citations