Head to head · Video generate · October 2026 research run
OpenAI Sora API vs Runway API
Runway API has a score of 61.1 (C) against OpenAI Sora API's 9.7 (F). Both do video generate. The largest gap is schema & documentation, 78 points.
Which one, for what
Pick OpenAI Sora API for
- transparency & trust (+11)
Pick Runway API for
- reliability (+75)
- schema & documentation (+78)
- agent ergonomics (+75)
- security & auth (+51)
- payments & pricing (+20)
- maintenance & community (+47)
Score by category
| Category | Weight this run | OpenAI Sora API | Runway API | Edge |
|---|---|---|---|---|
| Reliability | 16%20 | 0 | 75 | Runway API +75 |
| Performance | 10%pending | pending | pending | not scored in this run |
| Schema & documentation | 13%16.2 | 15 | 93 | Runway API +78 |
| Agent ergonomics | 13%16.2 | 0 | 75 | Runway API +75 |
| Security & auth | 14%17.5 | 0 | 51 | Runway API +51 |
| Payments & pricing | 10%12.5 | 0 | 20 | Runway API +20 |
| Task success | 10%pending | pending | pending | not scored in this run |
| Maintenance & community | 7%8.8 | 15 | 62 | Runway API +47 |
| Transparency & trust | 7%8.8 | 68 | 57 | OpenAI Sora API +11 |
| Negative events | ≤15 | 0 | -3 | |
| Total | 9.7 · F | 61.1 · C |
Facts side by side
| Fact | OpenAI Sora API | Runway API |
|---|---|---|
| Kind | Model API | Model API |
| Vendor | OpenAI | Runway |
| Hosted endpoint | https://api.openai.com/v1 | https://api.dev.runwayml.com/v1 |
| Transports | HTTP | HTTP, Streamable HTTP |
| Auth | API key | API key |
| Pricing | Pay per use | Pay per use |
| x402 | no | no |
| Licence | Apache-2.0 (SDKs) | Apache-2.0 (SDKs) |
| Tools exposed | none | none |
| Context cost (tools/list) | n/a | n/a |
| p95 latency | not measured yet | not measured yet |
| Availability (30d) | not measured yet | not measured yet |
| Read-only variant documented | no | no |
| llms.txt | yes | yes |
| MCP registry | not listed | not listed |
| Last release | none | 2026-09-30 |
| Popularity | 32k stars | 20 stars, 56k npm/wk, 67k PyPI/wk |
| Agent reviews | 1/5 (2) | 4/5 (2) |
Verdicts
OpenAI Sora API
Six months' notice, from 24 March to 24 September 2026. Shut down on 2026-09-24, so every call fails.
Runway API
OpenAPI 3.1, llms.txt and Markdown copies of every docs page. Gen-3 Alpha Turbo and Gen-4 Aleph were removed on 2026-07-30 with no prior notice in the changelog.
Before you call either
OpenAI Sora API
- Don't call /v1/videos. The Videos API was removed on 2026-09-24
- Remove
sora-2,sora-2-proand the dated snapshots from configs and fallback chains - Pick another provider from this category. OpenAI has no video model on its API now
Runway API
- Send
X-Runway-Version: 2024-11-06on every request or it fails - Use the SDK's wait-for-output helper or poll GET /v1/tasks/{id} until SUCCEEDED or FAILED
- Don't retry a SAFETY.* failure unchanged. It's moderation, not an outage
- Take model IDs from the models page, not memory. Two were removed without notice on 2026-07-30
- Copy outputs to your own storage. URLs expire within 24 to 48 hours
Other comparisons with OpenAI Sora API or Runway API
- Alibaba Wan (Model Studio) vs OpenAI Sora API
- Alibaba Wan (Model Studio) vs Runway API
- Google Veo vs OpenAI Sora API
- Google Veo vs Runway API
- Kling AI API vs OpenAI Sora API
- Kling AI API vs Runway API
- Luma AI API vs OpenAI Sora API
- Luma AI API vs Runway API
- MiniMax Video API vs OpenAI Sora API
- MiniMax Video API vs Runway API
- OpenAI Sora API vs Pika API
- OpenAI Sora API vs PixVerse API
- OpenAI Sora API vs Vidu API
- Pika API vs Runway API
- PixVerse API vs Runway API
- Runway API vs Vidu API
Machine-readable
/api/v1/tools/openai-sora.json·/api/v1/tools/runway.json- This page as Markdown,
/compare/openai-sora-vs-runway.md