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Google: Gemini 2.5 Pro Preview 06-05 vs Google: Gemini 2.5 Pro Preview 05-06

Head-to-head API cost, context, and performance comparison. Synced at 9:52:29 AM.

Executive Summary

When evaluating Google: Gemini 2.5 Pro Preview 06-05 against Google: Gemini 2.5 Pro Preview 05-06, the pricing structure is a key differentiator. Both models are remarkably similar in API costs.

However, when looking at raw reasoning capabilities, Google: Gemini 2.5 Pro Preview 05-06 leads with a statistical ELO score of 1300. For tasks involving complex logic, coding, or instruction-following, developers might prefer Google: Gemini 2.5 Pro Preview 05-06, provided their budget allows for the API burn rate.

Raw Technical comparison

Metric
Google: Gemini 2.5 Pro Preview 06-05
Google: Gemini 2.5 Pro Preview 05-06
Performance (ELO)
1300
1300
Input Cost / 1M
$1.25
$1.25
Output Cost / 1M
$10.00
$10.00
Context Window
1,048,576 tokens
1,048,576 tokens

Verdict

If you are looking for pure performance and capability, Tie is statistically superior. However, if API burn rate is the primary concern, Tie wins out aggressively in pricing.

People Also Ask

Is Google: Gemini 2.5 Pro Preview 06-05 cheaper than Google: Gemini 2.5 Pro Preview 05-06?

No. Google: Gemini 2.5 Pro Preview 05-06 is the more cost-effective model, operating at a lower price point per 1 million tokens.

Which model has the larger context window?

Both models offer an identical context window of 1,048,576 tokens.

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