Last verified 2025-09-22 (left) · 2025-09-22 (right)
GPT-4.1 vs Gemini 2.5 Pro — Pricing & Capability Comparison
GPT-4.1 charges $2.00 per million input tokens and $8.00 per million output tokens. Gemini 2.5 Pro comes in at $1.25 / $10.00. Context windows span 128K vs 200K tokens respectively.
Input price (per 1M)
GPT-4.1
$2.00
Gemini 2.5 Pro
$1.25
Gemini 2.5 Pro leads here
Output price (per 1M)
GPT-4.1
$8.00
Gemini 2.5 Pro
$10.00
GPT-4.1 leads here
Context window
GPT-4.1
128,000 tokens
Gemini 2.5 Pro
200,000 tokens
Gemini 2.5 Pro leads here
Cached input
GPT-4.1
Not published
Gemini 2.5 Pro
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.
| Scenario | GPT-4.1 | Gemini 2.5 Pro |
|---|---|---|
Balanced conversation 50% input · 50% output | $0.0500 | $0.0563 |
Input-heavy workflow 80% input · 20% output | $0.0320 | $0.0300 |
Generation heavy 30% input · 70% output | $0.0620 | $0.0738 |
Cached system prompt 90% cached input · 10% fresh output | $0.0260 | $0.0212 |
Frequently asked questions
Which model is cheaper per million input tokens?
Gemini 2.5 Pro costs $1.25 per million input tokens versus $2.00 for GPT-4.1.
How do output prices compare?
GPT-4.1 charges $8.00 per million output tokens, while Gemini 2.5 Pro costs $10.00 per million.
Which model supports a larger context window?
Gemini 2.5 Pro offers 200,000 tokens (200K) versus 128K for GPT-4.1.