GPT-5 Pro
Shutting down. The gpt-5-pro-2025-10-06 version of GPT-5 Pro shuts down on the OpenAI API on Dec 11, 2026. OpenAI names GPT-5.6 Sol as the replacement for that version.
58 days- Next shutdown
- 58 daysDec 11, 2026 · OpenAI API
- FrontierMath Tier 4
- 19.5%#41 of 58 · Epoch AI
- FrontierMath Tiers 1-3
- 55.8%#41 of 71 · Epoch AI
- List price · $ per 1M
- $15.00 in $120.00 outOpenAI API
- Context window
- 400KMax output 272K tokens
Dates on every platform
| Platform | Model ID and status | Deprecated | Shuts down | Replacement |
|---|---|---|---|---|
| OpenAI APIOpenAI: List models (GET /v1/models) (opens in a new tab) · checked Oct 14, 2026 | gpt-5-proActive | – | None set | – |
| OpenAI APIOpenAI: Deprecations (opens in a new tab) · checked Oct 14, 2026 | gpt-5-pro-2025-10-06Deprecated | 58 days | GPT-5.6 Sol | |
| Azure AI FoundryMicrosoft: Model retirement schedule - Microsoft Foundry (opens in a new tab) · checked Oct 14, 2026 | gpt-5-pro:2025-10-06Active | – | 6 mo | – |
Points to gpt-5-pro-2025-10-06. The models API lists no shutdown date for this alias; gpt-5-pro-2025-10-06 shuts down on 11 December 2026.
Not available in Chat Completions.
OpenAI's replacement is gpt-5.6-sol with reasoning.mode set to pro.
Microsoft names a replacement about 90 to 120 days before retirement.
What breaks when you move off GPT-5 Pro
- Availability
- Availability
- Parameters
- Defaults
- Pricing
Intelligence
| Benchmark | Publisher | Score | Rank | Published |
|---|---|---|---|---|
| FrontierMath Tier 4 | Epoch AI | 19.5% ± 6.3% | #41 of 58 | Jun 12, 2026 |
| FrontierMath Tiers 1-3 | Epoch AI | 55.8% ± 2.9% | #41 of 71 | Jun 12, 2026 |
Epoch AI, ‘Capabilities & benchmarking’. Published online at epoch.ai. Retrieved from ‘https://epoch.ai/benchmarks’ [online resource].
List prices
| Platform | Input | Cached | Output | In effect | Source |
|---|---|---|---|---|---|
OpenAI APIgpt-5-pro | $15.00 | – | $120.00 | Oct 14, 2026Current | OpenAI: Pricing (opens in a new tab) |
OpenAI APIgpt-5-pro-2025-10-06 | $15.00 | – | $120.00 | Oct 14, 2026Current · Billed at the gpt-5-pro rate on the pricing page; gpt-5-pro points to this snapshot. | OpenAI: Pricing (opens in a new tab) |
Azure AI Foundrygpt-5-pro:2025-10-06 | $15.00 | – | $120.00 | Oct 6, 2025Current · Global Standard rate from the US East 2 price list. | Microsoft: Azure Retail Prices API (Foundry Models, US East 2) (opens in a new tab) |
Change history
ShutdownGPT-5 Pro retires on Azure AI FoundryAzure AI Foundry2 breaks
gpt-5-pro version 2025-10-06 retires on Foundry, four months after the same snapshot shuts down on the OpenAI API.
- Platform
- Azure AI Foundry
- Model
- GPT-5 Pro
- AvailabilityInference requests to retired deployments return 410 Gone.
- AvailabilityMicrosoft has not listed a replacement yet; it names one about 90 to 120 days before retirement. Deployments set to NoAutoUpgrade stop working at retirement.
Source: Microsoft, Model retirement schedule - Microsoft Foundry (opens in a new tab); Microsoft, Microsoft Foundry Models lifecycle and support policy (opens in a new tab)
ShutdownFirst GPT-5 and o3 snapshots shut down on the OpenAI APIOpenAI API3 breaks
gpt-5-2025-08-07, gpt-5-mini-2025-08-07, gpt-5-nano-2025-08-07, gpt-5-pro-2025-10-06, o3-2025-04-16 and o3-pro-2025-06-10 are removed. OpenAI recommends GPT-5.6 Sol for GPT-5, GPT-5 Pro, o3 and o3-pro, GPT-5.6 Terra for GPT-5 mini, and GPT-5.6 Luna for GPT-5 nano.
- Platform
- OpenAI API
- Models
- GPT-5, GPT-5 Mini, GPT-5 nano, GPT-5 Pro, o3, o3-pro
- Announced
- ParametersPro snapshots move to gpt-5.6-sol with reasoning.mode set to pro. There is no separate Pro model ID for GPT-5.6.
- DefaultsGPT-5.6 models reuse reasoning across turns by default (reasoning.context all_turns); earlier models default to current_turn.
- PricingGPT-5.6 bills cache writes at 1.25 times the uncached input rate. Replace prompt_cache_retention with prompt_cache_options.ttl.
Source: OpenAI, Deprecations (opens in a new tab); OpenAI, Using GPT-5.6 (opens in a new tab)