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chat comparison

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gpt-oss:20bvsgrok-4.5

xAI logo

Compare the things that matter before you build: current price, capabilities, and observed LLM7 usage.

Current pricing

See the cost difference clearly

Directly comparable

gpt-oss:20b

Input $0.04 USD · Output $0.06 USD / 1M tokens

grok-4.5

Input $0.31 USD · Output $1.00 USD / 1M tokens

What's different

Only capabilities that differ between these models are listed. Green highlights the broader supported option or larger context window.

Context window

gpt-oss:20b

128,000 tokens

grok-4.5Better fit

500,000 tokens

Estimate your workload

Try the same request volume against both public price lists.

Cost calculator

Adjust the volume to see an instant estimate at the current public price.

1M tokens
10,000 tokens
01M

Input estimate

$0.0004

Output estimate

$0.00015

Estimated total

$0.00055

Cost calculator

Adjust the volume to see an instant estimate at the current public price.

1M tokens
10,000 tokens
01M

Input estimate

$0.0031

Output estimate

$0.0025

Estimated total

$0.0056

Quick take

  • grok-4.5 has a larger context window.

Keep exploring