Last verified 2026-02-11 (left) · 2026-03-06 (right)

Claude Opus 4.6 vs GPT-5.4 — Pricing & Capability Comparison

Claude Opus 4.6 charges $5.00 per million input tokens and $25.00 per million output tokens. GPT-5.4 comes in at $2.50 / $15.00. Context windows span 200K vs 1.1M tokens respectively.

TL;DR — Quick Comparison

  • GPT-5.4 is cheaper overall: $17.50 per 1M tokens (in+out) vs $30.00 for Claude Opus 4.6 — saves $12.50 per 1M tokens
  • Input pricing: Claude Opus 4.6 $5.00/1M vs GPT-5.4 $2.50/1M
  • Output pricing: Claude Opus 4.6 $25.00/1M vs GPT-5.4 $15.00/1M
  • Context window: GPT-5.4 offers more (1.1M vs 200K)
  • Use our calculator below to estimate costs for your specific usage pattern

Input price (per 1M)

Claude Opus 4.6

$5.00

GPT-5.4

$2.50

GPT-5.4 leads here

Output price (per 1M)

Claude Opus 4.6

$25.00

GPT-5.4

$15.00

GPT-5.4 leads here

Context window

Claude Opus 4.6

200,000 tokens

GPT-5.4

1,050,000 tokens

GPT-5.4 leads here

Cached input

Claude Opus 4.6

$0.500

GPT-5.4

$0.250

GPT-5.4 leads here

Cost comparison for 10K-token workloads

Side-by-side pricing for identical workloads (10,000 total tokens per request) across different distributions.

ScenarioClaude Opus 4.6GPT-5.4Claude Opus 4.6 cachedGPT-5.4 cached
Balanced conversation
50% input · 50% output
$0.150$0.0875$0.128$0.0762
Input-heavy workflow
80% input · 20% output
$0.0900$0.0500$0.0540$0.0320
Generation heavy
30% input · 70% output
$0.190$0.112$0.177$0.106
Cached system prompt
90% cached input · 10% fresh output
$0.0700$0.0375$0.0295$0.0172

Frequently asked questions

Which is cheaper: Claude Opus 4.6 or GPT-5.4?

GPT-5.4 is cheaper for input tokens at $2.50 per 1M tokens compared to $5.00. For output, GPT-5.4 costs $15.00 per 1M tokens versus $25.00 for Claude Opus 4.6.

What is the cost per 1M tokens for Claude Opus 4.6?

Claude Opus 4.6 pricing: $5.00 per 1M input tokens and $25.00 per 1M output tokens. Context window: 200,000 tokens.

What is the cost per 1M tokens for GPT-5.4?

GPT-5.4 pricing: $2.50 per 1M input tokens and $15.00 per 1M output tokens. Context window: 1,050,000 tokens.

How much does it cost per 1K tokens?

Per 1K tokens: Claude Opus 4.6 costs $0.0050 input / $0.0250 output. GPT-5.4 costs $0.0025 input / $0.0150 output. This is useful for calculating small-scale usage costs.

Which model supports a larger context window?

GPT-5.4 offers 1,050,000 tokens (1.1M) versus 200K for Claude Opus 4.6.

What is the estimated monthly cost for typical usage?

For a typical workload of 10M input + 2M output tokens per month: Claude Opus 4.6 would cost approximately $100.00, while GPT-5.4 would cost $55.00. GPT-5.4 is more economical for this usage pattern.

Do these models support prompt caching?

Claude Opus 4.6 supports prompt caching at $0.500 per 1M cached tokens, reducing costs for repeated context by up to 90%. GPT-5.4 supports caching at $0.250 per 1M tokens, saving up to 90%.

Which model is best for my use case?

Choose GPT-5.4 for cost-sensitive applications with high input volume. Choose GPT-5.4 if you need 1.1M context for long documents or conversations. Consider prompt caching if you have repeated context. Use our token calculator to model your specific usage pattern.

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