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

Gemini 2.5 Flash-Lite vs Grok 4 — Pricing & Capability Comparison

Gemini 2.5 Flash-Lite charges $0.10 per million input tokens and $0.40 per million output tokens. Grok 4 comes in at $3.00 / $15.00. Context windows span 1M vs 256K tokens respectively.

Input price (per 1M)

Gemini 2.5 Flash-Lite

$0.10

Grok 4

$3.00

Gemini 2.5 Flash-Lite leads here

Output price (per 1M)

Gemini 2.5 Flash-Lite

$0.40

Grok 4

$15.00

Gemini 2.5 Flash-Lite leads here

Context window

Gemini 2.5 Flash-Lite

1,000,000 tokens

Grok 4

256,000 tokens

Gemini 2.5 Flash-Lite leads here

Cached input

Gemini 2.5 Flash-Lite

Not published

Grok 4

$0.750

Grok 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.

ScenarioGemini 2.5 Flash-LiteGrok 4Grok 4 cached
Balanced conversation
50% input · 50% output
$0.0025$0.0900$0.0788
Input-heavy workflow
80% input · 20% output
$0.0016$0.0540$0.0360
Generation heavy
30% input · 70% output
$0.0031$0.114$0.107
Cached system prompt
90% cached input · 10% fresh output
$0.0013$0.0420$0.0217

Frequently asked questions

Which model is cheaper per million input tokens?

Gemini 2.5 Flash-Lite costs $0.10 per million input tokens versus $3.00 for Grok 4.

How do output prices compare?

Gemini 2.5 Flash-Lite charges $0.40 per million output tokens, while Grok 4 costs $15.00 per million.

Which model supports a larger context window?

Gemini 2.5 Flash-Lite offers 1,000,000 tokens (1M) versus 256K for Grok 4.

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