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Gen-3 Alpha

Video Retired Full comparison ↗

runway/gen-3-alpha · by Runway · Diffusion transformer (DiT)

Pricing — 1 offering(s)

Runway

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About this offering: Retired. Runway no longer offers Gen-3 Alpha through its API: it was gone from the API reference by 2026-07-02, and Runway's API changelog of 2026-07-30 says Gen-3 Alpha Turbo is "no longer available via the Runway API". The prices shown are the last published rates.

Standard

Retired — no longer sold · last price $0.019 / credit, until 2026-07-01

  • $0.019 / credit Historical 2026-06-15 → 2026-07-01
    Entry closed 2026-07-02: gen3a (non-Turbo) no longer appears in Runway's live API reference; gen3a_turbo…

    Entry closed 2026-07-02: gen3a (non-Turbo) no longer appears in Runway's live API reference; gen3a_turbo deprecated with sunset July 30 2026. USD/credit rate derived from Runway Standard plan math (estimated, not verified from developer API). This entry is now deprecated — operators should migrate to gen4_turbo or gen4.5.

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 Gen-3 Alpha rates across core capability dimensions, with the task-level evidence behind each rating.

Prompt adherence Moderate

Good text adherence; improved in Gen-4 successor.

temporal consistency Moderate

Solid consistency within a clip; Gen-4 series improved on long-form coherence.

motion quality Moderate

Smooth motion; good physics for the generation.

native audio Weak

No native audio generation in Gen-3 Alpha.

character consistency Moderate
camera control Moderate

Basic camera control through prompts.

clip duration ceiling Moderate

Up to 10 seconds per generation.

Resolution ceiling Moderate

1280×768 or 768×1280; no 1080p native output.

Inference speed Moderate

Cloud-hosted API with typical generation times in the 30–90s range for 10-second clips. No special speed guarantee. Gen-4 Turbo (the successor) is faster; Gen-3 Alpha is the baseline prior-gen reference point.

cost efficiency Moderate
video editing Weak

T2V and I2V only via Runway API. Act-One (reference-based actor animation) was a consumer product feature, not an exposed API parameter.

Operator guidance

Gen-3 Alpha is the prior-generation Runway model. In most cases, Gen-4 Turbo offers better quality at a lower credit cost (5 vs 10 credits/second). Choose Gen-3 Alpha only if existing integrations require the gen_3a API endpoint, or for historical price comparison. Note: Gen-3 Alpha Turbo (gen_3a_turbo) is being sunset July 30 2026.

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Citations