Gemini 3.6 Flash vs Grok 4.5: Pricing Comparison

Compare pricing, capabilities, and costs for your LLM workloads.

Google

Gemini 3.6 Flash

Pricing (per 1M tokens)

Input$1.50
Output$7.50
Cached Input$0.1500
Batch Input$0.7500
Batch Output$3.75

Context & Output

Context Window1M tokens
Max Output65.5K tokens

Capabilities

Categorymid
Multimodaltext + image + audio
Fine-tuningNo
StreamingYes

xAI

Grok 4.5

Pricing (per 1M tokens)

Input$2.00
Output$6.00
Cached Input$0.3000

Context & Output

Context Window500K tokens
Max Output32.8K tokens

Capabilities

Categoryflagship
Multimodaltext + image
Fine-tuningNo
StreamingYes

Quick Verdict

Cheaper Input Price

Gemini 3.6 Flash

25.0% cheaper

Cheaper Output Price

Grok 4.5

20.0% cheaper

Larger Context Window

Gemini 3.6 Flash

+500K tokens

Cost Comparison

Sample workload: 1,000,000 input tokens + 1,000,000 output tokens

Gemini 3.6 Flash

$9.00

$1.50/1M input + $7.50/1M output

Grok 4.5

$8.00

$2.00/1M input + $6.00/1M output

Grok 4.5 is 11.1% cheaper for this workload.

Frequently Asked Questions

Which is cheaper, Gemini 3.6 Flash or Grok 4.5?
For input tokens, Gemini 3.6 Flash is cheaper at $1.50 per 1M tokens. For output tokens, Grok 4.5 is cheaper at $6.00 per 1M tokens. The overall cost depends on your workload's input/output ratio.
What is the context window size of Gemini 3.6 Flash vs Grok 4.5?
Gemini 3.6 Flash has a context window of 1M tokens, while Grok 4.5 has 500K tokens. Gemini 3.6 Flash supports a larger context window of 1M tokens, which is beneficial for processing longer documents.

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