Claude 3 Opus vs GPT-5.6 Cyber
Pricing verdict: Claude 3 Opus vs GPT-5.6 Cyber: GPT-5.6 Cyber is cheaper for input-heavy usage ($12.50/M vs $15.00/M input tokens), while GPT-5.6 Cyber is better for long-context tasks (400,000 tokens).
Direct answer: choose GPT-5.6 Cyber for lower token spend and choose GPT-5.6 Cyber 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)
Claude 3 Opus
GPT-5.6 Cyber
Cost Differences
GPT-5.6 Cyber costs less than Claude 3 Opus
Quick Recommendation
Winner for direct API pricing: GPT-5.6 Cyber. At the default workload, GPT-5.6 Cyber saves about $7.50/month ($91.25/year) versus Claude 3 Opus.
Feature Comparison
| Feature | Claude 3 Opus | GPT-5.6 Cyber |
|---|---|---|
| Provider | Anthropic | OpenAI |
| Input Price | $15.00/1M tokens | $12.50/1M tokens |
| Output Price | $75.00/1M tokens | $75.00/1M tokens |
| Context Window | 200,000 tokens | 400,000 tokens |
| Max Output | 4,096 tokens | 128,000 tokens |
| Category | flagship | reasoning |
| Capabilities | textvisionreasoning | textvisioncodereasoning |
| Release Date | 3/4/2024 | 8/10/2026 |
Claude 3 Opus vs GPT-5.6 Cyber: Which Should You Choose?
Choosing between Claude 3 Opus 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 — 17% cheaper than Claude 3 Opus. Meanwhile, GPT-5.6 Cyber offers a significantly larger context window at 400,000 tokens vs 200,000 for Claude 3 Opus.
These models come from different providers — Anthropic and OpenAI — which means different API ecosystems, SDKs, rate limits, and terms of service. If you're already integrated with Anthropic, switching to OpenAIinvolves migration effort beyond just pricing. Factor in your existing infrastructure when deciding.
These models target different tiers: Claude 3 Opus is a flagship model while GPT-5.6 Cyber is reasoning. This means they're optimized for different workloads. Claude 3 Opus is built for complex tasks that require deeper reasoning, while GPT-5.6 Cyber offers better value for routine operations.
Output costs matter too. Claude 3 Opus charges $75.00/1M output tokens vs $75.00 for GPT-5.6 Cyber.
Multimodal capabilities: Both models support vision (image understanding), so you can send images alongside text prompts with either option.
Best Use Cases
Choose Claude 3 Opus when:
- • You're already using Anthropic's API ecosystem
Choose GPT-5.6 Cyber when:
- • Budget is a primary concern
- • You need a larger context window (400,000 tokens)
- • You need more capabilities (code)
- • You need longer outputs (up to 128,000 tokens)
- • You're already using OpenAI's API ecosystem
Pros and Caveats at a Glance
Claude 3 Opus
- • Input pricing: $15.00/M tokens
- • Output pricing: $75.00/M tokens
- • Context window: 200,000 tokens
- • Max output: 4,096 tokens
Watch out for
- • Higher input cost than GPT-5.6 Cyber
- • Smaller context window 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
- • Trade-offs are minor in this matchup.
Try Different Scenarios
Use the calculator below to see how costs change with different usage patterns
Claude 3 Opus (Anthropic)
GPT-5.6 Cyber (OpenAI)
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Sign Up for OpenAI →Frequently Asked Questions
Which is cheaper, Claude 3 Opus or GPT-5.6 Cyber?▼
What is the context window difference between Claude 3 Opus and GPT-5.6 Cyber?▼
Which model is better for AI Chatbot?▼
Which model has better overall pricing for heavy usage?▼
Where can I compare Anthropic and OpenAI API pricing beyond this model matchup?▼
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