LLM7.io
LLM7.io
Toggle theme

chat comparison

Google logo

gemini-3.1-flash-litevsgpt-5.3-codex-spark

OpenAI 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

gemini-3.1-flash-lite

Input $0.03 USD · Output $0.08 USD / 1M tokens

gpt-5.3-codex-spark

Input $0.36 USD · Output $2.81 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.

Input formats

gemini-3.1-flash-lite

text, image

gpt-5.3-codex-spark

text

Vision

gemini-3.1-flash-liteBetter fit

Supported

gpt-5.3-codex-spark

Not supported

JSON mode

gemini-3.1-flash-lite

Not supported

gpt-5.3-codex-sparkBetter fit

Supported

Reasoning

gemini-3.1-flash-lite

Not supported

gpt-5.3-codex-sparkBetter fit

Supported

Observed usage comparison

A 30-day LLM7 snapshot, not a global model benchmark.

Requests handled

gemini-3.1-flash-lite

256

gpt-5.3-codex-spark

52

Observed success rate

gemini-3.1-flash-lite

100%

gpt-5.3-codex-spark

100%

Average API latency

gemini-3.1-flash-lite

1,967.98 ms

gpt-5.3-codex-spark

1,363.69 ms

P95 API latency

gemini-3.1-flash-lite

5,000 ms

gpt-5.3-codex-spark

5,000 ms

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

$0.0003

Output estimate

$0.0002

Estimated total

$0.0005

Cost calculator

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

1M tokens
10,000 tokens
01M

Input estimate

$0.0036

Output estimate

$0.007025

Estimated total

$0.010625

Quick take

  • gemini-3.1-flash-lite supports image input while the other model does not.

Keep exploring