text model comparison
GPT-5.6 Cyber vs GPT-6 Cyber
GPT-5.6 Cyber and GPT-6 Cyber are both current text models, from OpenAI. GPT-5.6 Cyber is 38% cheaper per 1M input tokens than GPT-6 Cyber, $12.50 vs $20. In OpenAI's GPT-6 Cyber launch post, GPT-5.6 Cyber scores 32.1% on ExploitGym (strict supplied-vulnerability pass@1) and GPT-6 Cyber 48.5%. GPT-6 Cyber has the larger context window, 1,050,000 vs 400,000 tokens.
- Lower price per 1M input tokens
- GPT-5.6 Cyber$12.50 against $20
- Longer context window
- GPT-6 Cyber1.05M tokens against 400K tokens
- Newer release
- GPT-6 CyberNov 2026 against Aug 2026
Data verified November 6, 2026 · Dataset 2026-11-06
Side by side
GPT-5.6 Cyber and GPT-6 Cyber, line by line
Prices in effect today, compared at the same tier wherever both list one. The better value in each row is highlighted.
| Fact | GPT-5.6 Cyber | GPT-6 Cyber |
|---|---|---|
| Price | ||
| Price per 1M input tokens | $12.50 (better) | $20 |
| Price per 1M output tokens | $75 (better) | $100 |
| Specs | ||
| Provider | OpenAI | OpenAI |
| Release date | August 10, 2026 | November 5, 2026 |
| Access | limited access | limited access |
| Context window | 400,000 tokens | 1,050,000 tokens |
| Max output | 128,000 tokens | 128,000 tokens |
| Input | text, image | text, image |
| Output | text | text |
Provider results
What the labs report
Results tables a lab published with one of its models, where it lists both GPT-5.6 Cyber and GPT-6 Cyber. These are the lab's own figures, not independent measurements, and each table is read on its own: labs run benchmarks with different harnesses and budgets.
OpenAI, GPT-6 Cyber launch post, November 5, 2026OpenAI · 2026-11-06
| Benchmark | GPT-5.6 Cyber | GPT-6 Cyber |
|---|---|---|
| ExploitGymstrict supplied-vulnerability pass@1 | 32.1% | 48.5% (better) |
OpenAI's chart from the GPT-6 Cyber announcement. GPT-6 Astra and GPT-5.6 Sol ran with Daybreak Blue access; with its standard safeguards GPT-6 Astra refuses these tasks and scores 0%. Left out here: RemoteExploitBench and the web pentesting evaluation, which OpenAI built itself, the honeypot evaluation, where lower is better, and SRE-Bench, which is in the system card table.
Charts
Against every current text model
Where GPT-5.6 Cyber and GPT-6 Cyber land among the current models of their task, on every independent benchmark, on price and on context.
Where each stands
No independent benchmark has scored either model yet, so the tiles rank their prices among the current models of their task.
Price and context
Price per 1M input tokens
GPT-5.6 Cyber:#56of 58
$12.50 · cheaper than 4%
GPT-6 Cyber:#58of 58
$20 · cheaper than 0%
Price per 1M output tokens
GPT-5.6 Cyber:#56of 58
$75 · cheaper than 2%
GPT-6 Cyber:#58of 58
$100 · cheaper than 0%
Context window
GPT-5.6 Cyber:#56of 67
400K tokens · longer than 17%
GPT-6 Cyber:#1of 67
1.05M tokens · longer than 85%
Cost
What each costs
Example workloads at each provider's listed rates, then every other rate either one lists. The cheaper figure in each row is highlighted.
The same work, priced
For 10M input and 2M output tokens, GPT-6 Cyber costs 1.5 times as much as GPT-5.6 Cyber, at each provider's listed rates.
10M input and 2M output tokens
GPT-6 Cyber costs 1.5× as much
- GPT-5.6 Cyber
- $275
- GPT-6 Cyber
- $400
The same, with 9M of the input tokens cached
GPT-6 Cyber costs 1.4× as much
- GPT-5.6 Cyber
- $173.75
- GPT-6 Cyber
- $238
| Workload or rate | GPT-5.6 Cyber | GPT-6 Cyber |
|---|---|---|
| Example workloads | ||
| 10M input and 2M output tokens | $275 (better) | $400 |
| The same, with 9M of the input tokens cached | $173.75 (better) | $238 |
| Other listed rates | ||
| 1M input tokens, cached | $1.25 (better) | $2 |
Your own bill will differ. These figures use list prices and example workloads. The AI Model Cost Audit reviews your real usage, shortlists models that score as well for each task for less, and estimates the savings.
Launch price $100, regular price $150
Verdict
When to choose each
GPT-5.6 Cyber
Where it leads
- Lower input and output prices, $12.50 and $75 vs $20 and $100 per 1M tokens
- Cheaper cached input, $1.25 vs $2 per 1M tokens
Best for
- Daybreak Red teams that need exploit validation and security testing at a lower price than GPT-6 Cyber
Watch out for
- Limited access: available only to approved Daybreak Red customers
- OpenAI rates it High but not Critical in cybersecurity, and says it sometimes writes shorter, less detailed vulnerability reports than GPT-5.6 Sol
- OpenAI's newer GPT-6 Cyber (November 5, 2026) scores 48.5% on ExploitGym in OpenAI's chart, against 32.1% for this model; no independent benchmark score is recorded here
GPT-6 Cyber
Where it leads
- Larger context window 1,050,000 vs 400,000 tokens
Best for
- Security teams approved for Daybreak Red that develop and validate exploits in authorized tests
- Vulnerability research and patch validation across large codebases such as browsers and kernels
Watch out for
- Limited access: OpenAI is rolling it out through the API and Codex to select approved Daybreak Red customers first, with identity verification, single sign-on, multi-factor authentication and API IP allowlisting
- OpenAI rates it Critical in cybersecurity under its Preparedness Framework, like GPT-6 Astra and up from High for GPT-5.6 Cyber, and adds checks that block high-risk activity against critical systems
- It does not beat GPT-6 Astra at general coding (82.95% against 83.24% on OpenAI's internal ExpertSWE), and on Irregular's FrontierCyber it solved 90 of 288 challenges against 96 for Astra; no independent benchmark score is recorded here yet
From benchmark to production
Building on GPT-5.6 Cyber or GPT-6 Cyber?
Public scores rarely hold on your own data. We test both models on your real tasks, then build the agent or pipeline around the one that wins.
AI Model Cost AuditLaunch price $100, regular price $150What the audit includes
FAQ
GPT-5.6 Cyber vs GPT-6 Cyber FAQ
Which is cheaper, GPT-5.6 Cyber or GPT-6 Cyber?
GPT-5.6 Cyber is 38% cheaper per 1M input tokens than GPT-6 Cyber, $12.50 vs $20. For 10M input and 2M output tokens, GPT-5.6 Cyber costs $275 and GPT-6 Cyber $400 at standard rates.
Which is cheaper with prompt caching, GPT-5.6 Cyber or GPT-6 Cyber?
GPT-5.6 Cyber charges $1.25 per 1M cached input tokens, 90% below its standard input rate, and GPT-6 Cyber $2, 90% below. With 9M of 10M input tokens cached and 2M output tokens, GPT-5.6 Cyber costs $173.75 and GPT-6 Cyber $238.
How do GPT-5.6 Cyber and GPT-6 Cyber compare in OpenAI's own results?
In the GPT-6 Cyber launch post (November 5, 2026), GPT-6 Cyber leads on ExploitGym (strict supplied-vulnerability pass@1), 48.5% to 32.1%. These are OpenAI's figures, not independent measurements.
Which has the larger context window, GPT-5.6 Cyber or GPT-6 Cyber?
GPT-6 Cyber has the larger context window, 1,050,000 vs 400,000 tokens. Both return up to 128,000 tokens per response.
Further reading
More on GPT-5.6 Cyber and GPT-6 Cyber
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Production evaluation
Choosing between GPT-5.6 Cyber and GPT-6 Cyber?
Public benchmarks narrow the shortlist. We run both on your own tasks, data and cost limits, then build the routing and review controls to run the winner in production.
- A head-to-head evaluation on your real workload
- Routing between models by cost and difficulty