GPT-5.4 Pro vs GPT-5.6 Cyber
Pricing verdict: GPT-5.4 Pro vs GPT-5.6 Cyber: GPT-5.6 Cyber is cheaper for input-heavy usage ($12.50/M vs $30.00/M input tokens), while GPT-5.4 Pro is better for long-context tasks (1,050,000 tokens).
Direct answer: choose GPT-5.6 Cyber for lower token spend and choose GPT-5.4 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-5.4 Pro
GPT-5.6 Cyber
Cost Differences
GPT-5.6 Cyber costs less than GPT-5.4 Pro
Quick Recommendation
Winner for direct API pricing: GPT-5.6 Cyber. At the default workload, GPT-5.6 Cyber saves about $210.00/month ($2,555.00/year) versus GPT-5.4 Pro.
Feature Comparison
| Feature | GPT-5.4 Pro | GPT-5.6 Cyber |
|---|---|---|
| Provider | OpenAI | OpenAI |
| Input Price | $30.00/1M tokens | $12.50/1M tokens |
| Output Price | $180.00/1M tokens | $75.00/1M tokens |
| Context Window | 1,050,000 tokens | 400,000 tokens |
| Max Output | 131,072 tokens | 128,000 tokens |
| Category | reasoning | reasoning |
| Capabilities | textvisioncodereasoning | textvisioncodereasoning |
| Release Date | 3/6/2026 | 8/10/2026 |
GPT-5.4 Pro vs GPT-5.6 Cyber: Which Should You Choose?
Choosing between GPT-5.4 Pro and GPT-5.6 Cyber 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 — 58% cheaper than GPT-5.4 Pro. Meanwhile, GPT-5.4 Pro offers a significantly larger context window at 1,050,000 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 $21,000.00/month compared to GPT-5.4 Pro. For startups and indie developers, that difference can be significant.
Output costs matter too. GPT-5.4 Pro charges $180.00/1M output tokens vs $75.00 for GPT-5.6 Cyber. 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: Both models support vision (image understanding), so you can send images alongside text prompts with either option.
Best Use Cases
Choose GPT-5.4 Pro when:
- • You need a larger context window (1,050,000 tokens)
- • You need longer outputs (up to 131,072 tokens)
- • You're already using OpenAI's API ecosystem
Choose GPT-5.6 Cyber when:
- • Budget is a primary concern
- • You're already using OpenAI's API ecosystem
Pros and Caveats at a Glance
GPT-5.4 Pro
- • Input pricing: $30.00/M tokens
- • Output pricing: $180.00/M tokens
- • Context window: 1,050,000 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
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 GPT-5.4 Pro
Try Different Scenarios
Use the calculator below to see how costs change with different usage patterns
GPT-5.4 Pro (OpenAI)
GPT-5.6 Cyber (OpenAI)
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Which is cheaper, GPT-5.4 Pro or GPT-5.6 Cyber?▼
What is the context window difference between GPT-5.4 Pro and GPT-5.6 Cyber?▼
Which model is better for AI Agent / Agentic Workflows?▼
Which model has better overall pricing for heavy usage?▼
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