Pricing · OpenAI
GPT-5.6 Cyber
OpenAI's gpt-5.6-cyber, 400K tokens of context. Every number on this page was read off OpenAI's own pricing
page — never estimated, never recalled from memory.
How OpenAI describes it
“Our most advanced cybersecurity model for authorized vulnerability research and security testing.”
Pricing
| Input | $12.50 | per 1M tokens |
|---|---|---|
| Output | $75.00 | per 1M tokens |
| Cached input | $1.25 | per 1M tokens · 0.1× the input price |
At the calculator's starting volume, 1M input tokens and 200K output tokens with no cache hits, GPT-5.6 Cyber costs $27.50: $12.50 for input and $15.00 for output, at the prices above. Same formula as the calculator; change the volume there.
Where this price sits
$12.50 per 1M input tokens is the 67th cheapest input price of the 67 current models with a verified price on this site, and the 11th of OpenAI's 11. Output costs 6.0× the input price.
Other current models in the GPT-5.6 family:
- GPT-5.6 Luna 1.1M tokens $0.20 in · $1.20 out
- GPT-5.6 Terra 1.1M tokens $2.00 in · $12.00 out
- GPT-5.6 Sol 1.1M tokens $4.00 in · $20.00 out · promo
Mentioned in
One post on this site cites GPT-5.6 Cyber. The sentence is the post's own, taken from where it links here.
-
Prompt Caching Is Not 10% Everywhere: What a Cache Hit Costs Across Eight Providers · September 16, 2026
OpenAI, all eight current models: GPT-6 Astra $1.00 on $10.00, GPT-5.6 Sol $0.40 on $4.00, Terra $0.20 on $2.00, Luna $0.02 on $0.20, GPT-5.3 Codex $0.175 on $1.75, ChatGPT (chat-latest) $0.50 on $5.00, GPT-5.6 Cyber $1.25 on $12.50 and the access-restricted GPT-Rosalind $0.50 on $5.00, verified September 14, 2026, and September 16 for Astra and Rosalind.
Specifications
| API model id | gpt-5.6-cyber | |
|---|---|---|
| Provider | OpenAI | |
| Family | GPT-5.6 | |
| Context window | 400K tokens | |
| Max output | 128K tokens | |
| Status | Current | |
| Access | restricted — Requires approval through OpenAI's Daybreak program | |
It returns up to 128K tokens per response, against a context window of 400K tokens.
Questions about GPT-5.6 Cyber pricing
- How much does GPT-5.6 Cyber cost per million tokens?
- $12.50 per 1M input tokens and $75.00 per 1M output tokens, read on OpenAI's model page on September 28, 2026.
- What does a cached input token cost on GPT-5.6 Cyber?
- $1.25 per 1M cached input tokens, 10% of the $12.50 input price.
Verified September 28, 2026 against OpenAI's model page. Confidence: confirmed. No price change recorded for this model. How the data is checked.
Other OpenAI models with a verified price
- GPT-6 Luna GPT-6 $0.10 in · $0.50 out
- GPT-5.6 Luna GPT-5.6 $0.20 in · $1.20 out
- GPT-5.3 Codex Codex $1.75 in · $14.00 out
- GPT-6.1 Sol GPT-6 $2.00 in · $10.00 out
- GPT-6 Sol GPT-6 $2.00 in · $10.00 out
- GPT-5.6 Terra GPT-5.6 $2.00 in · $12.00 out
- GPT-5.6 Sol GPT-5.6 $4.00 in · $20.00 out · promo
- GPT-Rosalind GPT-Rosalind $5.00 in · $25.00 out
- ChatGPT (chat-latest) GPT $5.00 in · $30.00 out
- GPT-6 Astra GPT-6 $10.00 in · $50.00 out
Cheaper or equally priced alternatives
Current models with an input price at or below $12.50 per 1M tokens.
- GPT-6 Astra OpenAI $10.00 in · $50.00 out
- Claude Fable 5.1 Anthropic $10.00 in · $50.00 out
- Claude Mythos 5.1 Anthropic $10.00 in · $50.00 out
- Claude Fable 5 Anthropic $10.00 in · $50.00 out
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