Which model is better: Gemini 2.5 Pro or o1?

**Gemini 2.5 Pro decisively outperforms o1 across efficiency and capability benchmarks.** It leads SWE-bench at 65.0% versus 48.9% for o1, delivering a 350ms TTFT that is 2250ms faster. Financially, Gemini 2.5 Pro is 91.7% cheaper for input tokens at $1.25 versus $15.00 per million, and $10.00 versus $60.00 for output tokens.
Verified daily via automated API latency tests and official documentation.

Verified Performance & Unit Economics Delta

Daily synchronized metrics from synthetic latency endpoints and benchmark evaluations.

Metric / Dimension Gemini 2.5 Pro o1 Net Delta / Advantage
Input Cost / 1M Tokens $1.25 $15.00 Gemini 2.5 Pro is 12.0x cheaper
Output Cost / 1M Tokens $10.00 $60.00 Gemini 2.5 Pro (83.3% lower)
Prompt Cache Read / 1M $0.313 $7.500 Gemini 2.5 Pro is 24.0x cheaper
Prompt Cache Write / 1M $1.25 $15.00 Gemini 2.5 Pro is 12.0x cheaper
Avg TTFT Response Latency 700ms 2600ms Gemini 2.5 Pro (+1900ms faster)
SWE-bench Verified (Coding) 63.8% 48.9% Gemini 2.5 Pro (+14.9% lead)
Inference Value Score (IVR) 56.1 / 100 35.5 / 100 Gemini 2.5 Pro (+20.6 pts)

Interactive Monthly Token Economics & ROI Forecaster

Model your expected production workload across prompt (input) and completion (output) tokens with prompt caching economics.

Live Calculation Engine
10.0M Tokens
100K 50M 250M 500M+
2.5M Tokens
100K 10M 50M 100M+

Estimated Monthly Spend

Gemini 2.5 Pro $37.50

$1.25/1M in · $10.00/1M out

Prompt Cache: $0.313/1M read · $1.25/1M write

o1 $300.00

$15.00/1M in · $60.00/1M out

Prompt Cache: $7.500/1M read · $15.00/1M write

Projected Monthly Cost Reduction
$262.50 / mo
(87.5% lower cost with Gemini 2.5 Pro)
A

When to Choose Gemini 2.5 Pro

Choose Gemini 2.5 Pro when you need Advanced multimodal model engineered for complex coding, scientific analysis, and million-token reasoning tasks. and have an infrastructure budget aligned with $1.25/1M tokens.

B

When to Choose o1

Choose o1 when you need Heavyweight reasoning model engineered for academic research, complex mathematics, and deep multimodal analysis. and prioritize OpenAI ecosystem integration at $15.00/1M tokens.

Related Questions & Decision Factors

Which is cheaper: Gemini 2.5 Pro or o1?

Gemini 2.5 Pro is cheaper at $1.25/1M input tokens compared to $15.00/1M for o1.

Which model has lower latency: Gemini 2.5 Pro or o1?

Gemini 2.5 Pro delivers faster response times with an average TTFT of 700ms vs 2600ms for o1.

When should you choose Gemini 2.5 Pro?

Choose Gemini 2.5 Pro when you need Advanced multimodal model engineered for complex coding, scientific analysis, and million-token reasoning tasks. and have an infrastructure budget aligned with $1.25/1M tokens.

When should you choose o1?

Choose o1 when you need Heavyweight reasoning model engineered for academic research, complex mathematics, and deep multimodal analysis. and prioritize OpenAI ecosystem integration at $15.00/1M tokens.

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