Last verified 2025-09-22 (left) · 2025-09-22 (right)

Claude Opus 4.1 vs GPT-4.1 mini — Pricing & Capability Comparison

Claude Opus 4.1 charges $15.00 per million input tokens and $75.00 per million output tokens. GPT-4.1 mini comes in at $0.40 / $1.60. Context windows span 200K vs 128K tokens respectively.

Input price (per 1M)

Claude Opus 4.1

$15.00

GPT-4.1 mini

$0.40

GPT-4.1 mini leads here

Output price (per 1M)

Claude Opus 4.1

$75.00

GPT-4.1 mini

$1.60

GPT-4.1 mini leads here

Context window

Claude Opus 4.1

200,000 tokens

GPT-4.1 mini

128,000 tokens

Claude Opus 4.1 leads here

Cached input

Claude Opus 4.1

Not published

GPT-4.1 mini

Not published

No published data

Cost comparison for 10K-token workloads

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

ScenarioClaude Opus 4.1GPT-4.1 mini
Balanced conversation
50% input · 50% output
$0.450$0.0100
Input-heavy workflow
80% input · 20% output
$0.270$0.0064
Generation heavy
30% input · 70% output
$0.570$0.0124
Cached system prompt
90% cached input · 10% fresh output
$0.210$0.0052

Frequently asked questions

Which model is cheaper per million input tokens?

GPT-4.1 mini costs $0.40 per million input tokens versus $15.00 for Claude Opus 4.1.

How do output prices compare?

GPT-4.1 mini charges $1.60 per million output tokens, while Claude Opus 4.1 costs $75.00 per million.

Which model supports a larger context window?

Claude Opus 4.1 offers 200,000 tokens (200K) versus 128K for GPT-4.1 mini.

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