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Claude Opus 4.1 vs GPT-5.6 Cyber

Pricing verdict: Claude Opus 4.1 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.

Anthropic
Claude Opus 4.1
vs
OpenAI
GPT-5.6 Cyber

Cost Comparison (1000 input + 500 output tokens, 100 requests/day)

Claude Opus 4.1

Per Request:$0.0525
Daily:$5.25
Monthly:$157.50
Yearly:$1,916.25

GPT-5.6 Cyber

Per Request:$0.05
Daily:$5.00
Monthly:$150.00
Yearly:$1,825.00

Cost Differences

$0.002500
Per Request
$0.25
Daily
$7.50
Monthly
$91.25
Yearly

GPT-5.6 Cyber costs less than Claude Opus 4.1

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 Opus 4.1.

Feature Comparison

FeatureClaude Opus 4.1GPT-5.6 Cyber
ProviderAnthropicOpenAI
Input Price$15.00/1M tokens$12.50/1M tokens
Output Price$75.00/1M tokens$75.00/1M tokens
Context Window200,000 tokens400,000 tokens
Max Output32,000 tokens128,000 tokens
Categoryflagshipreasoning
Capabilities
textvisioncodereasoning
textvisioncodereasoning
Release Date8/5/20258/10/2026

Claude Opus 4.1 vs GPT-5.6 Cyber: Which Should You Choose?

Choosing between Claude Opus 4.1 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 Opus 4.1. Meanwhile, GPT-5.6 Cyber offers a significantly larger context window at 400,000 tokens vs 200,000 for Claude Opus 4.1.

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 Opus 4.1 is a flagship model while GPT-5.6 Cyber is reasoning. This means they're optimized for different workloads. Claude Opus 4.1 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 Opus 4.1 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 Opus 4.1 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 longer outputs (up to 128,000 tokens)
  • • You're already using OpenAI's API ecosystem

Pros and Caveats at a Glance

Claude Opus 4.1

  • Input pricing: $15.00/M tokens
  • Output pricing: $75.00/M tokens
  • Context window: 200,000 tokens
  • Max output: 32,000 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 Opus 4.1 (Anthropic)

GPT-5.6 Cyber (OpenAI)

Start using Claude Opus 4.1 today

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Start using GPT-5.6 Cyber today

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Frequently Asked Questions

Which is cheaper, Claude Opus 4.1 or GPT-5.6 Cyber?
GPT-5.6 Cyber is cheaper for input tokens at $12.50 per million tokens vs $15.00 for Claude Opus 4.1 — that's 17% savings on input costs.
What is the context window difference between Claude Opus 4.1 and GPT-5.6 Cyber?
Claude Opus 4.1 supports 200,000 tokens while GPT-5.6 Cyber supports 400,000 tokens — a difference of 200,000 tokens in favor of GPT-5.6 Cyber.
Which model is better for AI Agent / Agentic Workflows?
Both models support text, code, reasoning. For ai agent / agentic workflows, GPT-5.6 Cyber is the lower-cost option, while GPT-5.6 Cyber offers a larger context window (400,000 vs 200,000 tokens). Choose GPT-5.6 Cyber for budget sensitivity or GPT-5.6 Cyber for longer context tasks.
Which model has better overall pricing for heavy usage?
At 100 requests/day with 1,000 input and 500 output tokens each, Claude Opus 4.1 costs about $157.50/month and GPT-5.6 Cyber costs about $150.00/month. Overall, GPT-5.6 Cyber has lower combined input + output rates ($12.50 in, $75.00 out) vs Claude Opus 4.1.
Where can I compare Anthropic and OpenAI API pricing beyond this model matchup?
See the Anthropic vs OpenAI provider comparison page for lineup-level averages, then review each model page for exact per-token rates.

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