# GPT-5.6 Cyber

GPT-5.6 Cyber is an AI model released by OpenAI on Aug 10 2026. It has a 400k context window.

## Facts

| Field | Value |
| --- | --- |
| Model | GPT-5.6 Cyber |
| Developer | OpenAI |
| Release date | Monday, Aug 10 2026 |
| Licensing | Closed |
| Context window | 400k |

## API pricing

All rates in USD per 1,000,000 tokens, pay-as-you-go.

| Tier | Input | Cached input | Cache write | Output |
| --- | --- | --- | --- | --- |
| Up to 272K input tokens | $12.50 | $1.25 | $15.625 | $75.00 |

Deployment: Daybreak Red approval required.
The API accepts at most 272K input tokens. Cache writes cost $15.625 per million tokens for 30 minutes or $31.25 for 12 hours.
Verified November 9, 2026 against the first-party source: https://developers.openai.com/api/docs/pricing

## Tracked benchmark scores

| Benchmark | Score | Source | What it measures |
| --- | --- | --- | --- |
| Advanced Cybersecurity Completion Rate (Internal) | 95% | Lab | share of advanced cyber requests the model responds to; measures willingness to answer, not exploit success |

## About GPT-5.6 Cyber

GPT-5.6 Cyber was introduced on August 10, 2026 as a GPT-5.6 Sol derivative for advanced, authorized cybersecurity work. OpenAI described training for vulnerability research and exploit validation while reducing refusals on certain dual-use requests. Access was offered through Daybreak Red, with identity verification, monitoring and approved-use restrictions.

OpenAI classified the model as High rather than Critical for cybersecurity under its Preparedness Framework. Its announcement reported gains on some specialized tasks, but also described evaluations where general GPT-5.6 Sol performed better. The release should therefore not be described as uniformly superior on every security task. Daybreak Blue separately provided general-purpose models with safeguards adjusted for approved defensive workflows. GPT-6 Cyber followed on November 5, 2026, and OpenAI rated that later model Critical for cybersecurity, up from High for GPT-5.6 Cyber. In that announcement OpenAI reported 32.1% for GPT-5.6 Cyber on ExploitGym, against 48.5% for GPT-6 Cyber, and said GPT-5.6 Cyber was being made available to all Daybreak Red customers while GPT-6 Cyber started with a smaller approved group.

## Questions and answers

### When was GPT-5.6 Cyber released?

GPT-5.6 Cyber was released by OpenAI on Monday, Aug 10 2026.

### Who made GPT-5.6 Cyber?

GPT-5.6 Cyber was built by OpenAI. Creators of ChatGPT and the GPT series of models. Pioneered large-scale language model research.

### How much does GPT-5.6 Cyber cost?

GPT-5.6 Cyber costs $12.50 per million input tokens and $75.00 per million output tokens through the OpenAI API. Cached input is $1.25 per million tokens. Rates are pay-as-you-go API prices verified against OpenAI's published pricing on November 9, 2026.

### What benchmark scores did GPT-5.6 Cyber get?

GPT-5.6 Cyber reports 1 tracked benchmark score — Advanced Cybersecurity Completion Rate (Internal): 95%. Tracked scores may come from lab reports or independent benchmarks; source details accompany the benchmark data.

### What is the context window of GPT-5.6 Cyber?

GPT-5.6 Cyber has a context window of 400k. Providers may specify separate input and output token limits.

### Is GPT-5.6 Cyber open source?

No. GPT-5.6 Cyber is a closed model. The weights are not published — it is available only through the provider's own API, apps, or partner platforms.

### What came before and after GPT-5.6 Cyber?

OpenAI's previous tracked release was GPT-5.6 Luna on Jun 26 2026, 45 days earlier. It was followed by GPT-6 Astra on Sep 3 2026.


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Canonical page: https://aireleasetracker.com/model/openai/gpt-5.6-cyber
Site index: https://aireleasetracker.com/llms.txt
Source: AI Release Tracker (https://aireleasetracker.com). Most benchmark scores come from lab launch material; gathered results identify the leaderboard that published them.