OpenAI API Models GPT-5.1 Chat
OpenAI API Models GPT-5.1 Chat
The OpenAI API Models GPT-5.1 Chat reached end of service life on Jul 23, 2026 — OpenAI API Models no longer ships security patches or fixes for it. Our third-party support keeps it safe to run: 24/7 engineers manage issues, remediate vulnerabilities, and help you maintain compliance.
24/7 engineers own your OpenAI API Models GPT-5.1 Chat incidents end to end.
Mitigation and patch-around guidance when the vendor no longer ships fixes.
Controls evidence and documentation that keep auditors satisfied.
Specifications
- product
- openai-api-models
- release
- gpt-5.1-chat-latest
- product Label
- OpenAI API Models
- release Label
- GPT-5.1 Chat
- codename
- lts
- latest Version
- release Date
- 2025-11-12
- maintained
- source Url
- https://endoflife.date/openai-api-models
Lifecycle Dates
- End of Service Life
- Jul 23, 2026
- Last OEM Support
- Apr 22, 2026
OEM vs. 3rd Party Support
See how third-party support compares to the vendor contract for OpenAI API Models GPT-5.1 Chat — monitoring, break/fix, vulnerability work, operations and compliance, before and after EOSL.
| Feature | OEM Support | 3rd Party Support |
|---|---|---|
| Post-EOSL Support | ||
| Break/Fix Support | Until EOSL | |
| 24/7 Monitoring | ||
| Vulnerability Scanning & Remediation | ||
| Managed Operations | ||
| Procedure & Configuration Review | ||
| Compliance & Audit Documentation | Limited | |
| Discounted Migration to Other Platforms |
Why Choose 3rd Party Support for OpenAI API Models GPT-5.1 Chat?
Vulnerability Remediation
Scanning, mitigation and patch-around guidance for OpenAI API Models GPT-5.1 Chat when the vendor no longer ships fixes.
Compliance Maintenance
Procedure review, controls evidence and the documentation auditors ask for — maintained continuously, not scrambled at audit time.
24/7 Expert Support
Engineers who know this release monitor, manage and fix issues around the clock — break/fix to managed operations.
OpenAI API Models GPT-5.1 Chat Support: Frequently Asked Questions
Is the OpenAI API Models GPT-5.1 Chat still supported?
OpenAI API Models ended support for the OpenAI API Models GPT-5.1 Chat on Jul 23, 2026 — no more patches or fixes from the vendor. Third-party support keeps it covered: our engineers manage issues, remediate vulnerabilities, and help you maintain compliance for as long as you run it.
When is the OpenAI API Models GPT-5.1 Chat end of service life (EOSL) date?
OpenAI API Models lists the end of service life for the OpenAI API Models GPT-5.1 Chat as Jul 23, 2026.
Can I keep using the OpenAI API Models GPT-5.1 Chat after its EOSL date?
Yes. EOSL means OpenAI API Models stops issuing patches and support — the software itself keeps running. Third-party support covers it from there: issue management, security vulnerability remediation, and the compliance documentation auditors ask for, for as long as you choose to run it.
How much does third-party support for the OpenAI API Models GPT-5.1 Chat cost?
Typically 40-70% below the OEM maintenance renewal price. Exact pricing depends on quantity, service level and location. You get an indicative price within 24 hours and a firm quote within 48.