Last verified 2025-09-22 (left) · 2025-09-22 (right)
Gemini 2.5 Flash vs GPT-4.1 mini — Pricing & Capability Comparison
Gemini 2.5 Flash charges $0.30 per million input tokens and $2.50 per million output tokens. GPT-4.1 mini comes in at $0.40 / $1.60. Context windows span 1M vs 128K tokens respectively.
Input price (per 1M)
Gemini 2.5 Flash
$0.30
GPT-4.1 mini
$0.40
Gemini 2.5 Flash leads here
Output price (per 1M)
Gemini 2.5 Flash
$2.50
GPT-4.1 mini
$1.60
GPT-4.1 mini leads here
Context window
Gemini 2.5 Flash
1,000,000 tokens
GPT-4.1 mini
128,000 tokens
Gemini 2.5 Flash leads here
Cached input
Gemini 2.5 Flash
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.
| Scenario | Gemini 2.5 Flash | GPT-4.1 mini |
|---|---|---|
Balanced conversation 50% input · 50% output | $0.0140 | $0.0100 |
Input-heavy workflow 80% input · 20% output | $0.0074 | $0.0064 |
Generation heavy 30% input · 70% output | $0.0184 | $0.0124 |
Cached system prompt 90% cached input · 10% fresh output | $0.0052 | $0.0052 |
Frequently asked questions
Which model is cheaper per million input tokens?
Gemini 2.5 Flash costs $0.30 per million input tokens versus $0.40 for GPT-4.1 mini.
How do output prices compare?
GPT-4.1 mini charges $1.60 per million output tokens, while Gemini 2.5 Flash costs $2.50 per million.
Which model supports a larger context window?
Gemini 2.5 Flash offers 1,000,000 tokens (1M) versus 128K for GPT-4.1 mini.