GPT-5.6 Cyber vs o3-pro
Pricing verdict: GPT-5.6 Cyber vs o3-pro: GPT-5.6 Cyber is cheaper for input-heavy usage ($12.50/M vs $20.00/M input tokens), while o3-pro is better for long-context tasks (1,000,000 tokens).
Direct answer: choose GPT-5.6 Cyber for lower token spend and choose o3-pro when your workload needs longer context.
Compare API pricing, input and output token costs, context windows, and monthly estimates on one page so you can pick the right model fast.
Cost Comparison (1000 input + 500 output tokens, 100 requests/day)
GPT-5.6 Cyber
o3-pro
Cost Differences
o3-pro costs more than GPT-5.6 Cyber
Quick Recommendation
Winner for direct API pricing: GPT-5.6 Cyber. At the default workload, GPT-5.6 Cyber saves about $30.00/month ($365.00/year) versus o3-pro.
Feature Comparison
| Feature | GPT-5.6 Cyber | o3-pro |
|---|---|---|
| Provider | OpenAI | OpenAI |
| Input Price | $12.50/1M tokens | $20.00/1M tokens |
| Output Price | $75.00/1M tokens | $80.00/1M tokens |
| Context Window | 400,000 tokens | 1,000,000 tokens |
| Max Output | 128,000 tokens | 131,072 tokens |
| Category | reasoning | reasoning |
| Capabilities | textvisioncodereasoning | textreasoningcode |
| Release Date | 8/10/2026 | 6/10/2025 |
GPT-5.6 Cyber vs o3-pro: Which Should You Choose?
Choosing between GPT-5.6 Cyber and o3-pro depends on your priorities: cost efficiency, context length, or raw capability. GPT-5.6 Cyber is the more affordable option at $12.50/1M input tokens — 38% cheaper than o3-pro. Meanwhile, o3-pro offers a significantly larger context window at 1,000,000 tokens vs 400,000 for GPT-5.6 Cyber.
Both models are in the reasoning category, making this a direct head-to-head comparison. At scale — say 10,000 requests per day — the cost difference adds up: GPT-5.6 Cyber would save you roughly $3,000.00/month compared to o3-pro. For startups and indie developers, that difference can be significant.
Output costs matter too. GPT-5.6 Cyber charges $75.00/1M output tokens vs $80.00 for o3-pro. For generation-heavy workloads (content creation, code generation, summarization), output pricing often dominates your bill. GPT-5.6 Cyber has the edge here at $75.00/1M output tokens.
Multimodal capabilities: GPT-5.6 Cyber supports vision (image inputs) while o3-pro is text-only. If your application needs image understanding, this narrows your choice.
Best Use Cases
Choose GPT-5.6 Cyber when:
- • Budget is a primary concern
- • You need more capabilities (vision)
- • You're already using OpenAI's API ecosystem
Choose o3-pro when:
- • You need a larger context window (1,000,000 tokens)
- • You need longer outputs (up to 131,072 tokens)
- • You're already using OpenAI's API ecosystem
Pros and Caveats at a Glance
GPT-5.6 Cyber
- • Input pricing: $12.50/M tokens
- • Output pricing: $75.00/M tokens
- • Context window: 400,000 tokens
- • Max output: 128,000 tokens
Watch out for
- • Smaller context window than o3-pro
o3-pro
- • Input pricing: $20.00/M tokens
- • Output pricing: $80.00/M tokens
- • Context window: 1,000,000 tokens
- • Max output: 131,072 tokens
Watch out for
- • Higher input cost than GPT-5.6 Cyber
- • Higher output cost than GPT-5.6 Cyber
Try Different Scenarios
Use the calculator below to see how costs change with different usage patterns
GPT-5.6 Cyber (OpenAI)
o3-pro (OpenAI)
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Which is cheaper, GPT-5.6 Cyber or o3-pro?▼
What is the context window difference between GPT-5.6 Cyber and o3-pro?▼
Which model is better for AI Agent / Agentic Workflows?▼
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