GPT-5 vs Gemini 2.5 Pro: Pricing Comparison

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

OpenAI

GPT-5

Pricing (per 1M tokens)

Input$1.25
Output$10.00
Cached Input$0.1250
Batch Input$0.6250
Batch Output$5.00

Context & Output

Context Window400K tokens
Max Output128K tokens

Capabilities

Categoryflagship
Multimodaltext + image + audio
Fine-tuningNo
StreamingYes

Google

Gemini 2.5 Pro

Pricing (per 1M tokens)

Input$1.25
Output$10.00
Cached Input$0.1250
Batch Input$0.6250
Batch Output$5.00

Context & Output

Context Window1M tokens
Max Output65.5K tokens

Capabilities

Categoryflagship
Multimodaltext + image + audio
Fine-tuningNo
StreamingYes

Quick Verdict

Cheaper Input Price

Gemini 2.5 Pro

0.0% cheaper

Cheaper Output Price

Gemini 2.5 Pro

0.0% cheaper

Larger Context Window

Gemini 2.5 Pro

+600K tokens

Cost Comparison

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

GPT-5

$11.25

$1.25/1M input + $10.00/1M output

Gemini 2.5 Pro

$11.25

$1.25/1M input + $10.00/1M output

Frequently Asked Questions

Which is cheaper, GPT-5 or Gemini 2.5 Pro?
For input tokens, Gemini 2.5 Pro is cheaper at $1.25 per 1M tokens. For output tokens, Gemini 2.5 Pro is cheaper at $10.00 per 1M tokens. The overall cost depends on your workload's input/output ratio.
What is the context window size of GPT-5 vs Gemini 2.5 Pro?
GPT-5 has a context window of 400K tokens, while Gemini 2.5 Pro has 1M tokens. Gemini 2.5 Pro supports a larger context window of 1M tokens, which is beneficial for processing longer documents.
How do GPT-5 and Gemini 2.5 Pro compare for batch processing?
Both models support batch processing with discounted rates. Gemini 2.5 Pro offers a better batch rate at $0.6250 per 1M input tokens. Batch processing is ideal for non-time-sensitive workloads where you can wait for processing.

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