Which model is better: OpenAI o1 or Microsoft Phi-4 (14B)?

Microsoft Phi-4 (14B) is 99.2% cheaper for input tokens ($0.12 vs. $15.00 per 1M tokens) and $0.36 vs. $60.00 for output tokens (125.0x cost difference). In terms of operational performance, Microsoft Phi-4 (14B) delivers faster response latency with 110ms TTFT (740ms faster than OpenAI o1). OpenAI o1 leads coding benchmarks at 48.9% SWE-bench vs. 42.1% for Microsoft Phi-4 (14B).
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 OpenAI o1 Microsoft Phi-4 (14B) Net Delta / Advantage
Input Cost / 1M Tokens $15.00 $0.12 Microsoft Phi-4 (14B) is 125.0x cheaper
Output Cost / 1M Tokens $60.00 $0.36 Microsoft Phi-4 (14B) (16566.7% lower)
Avg TTFT Response Latency 850ms 110ms Microsoft Phi-4 (14B) (+740ms faster)
SWE-bench Verified (Coding) 48.9% 42.1% OpenAI o1 (+6.8% lead)
Inference Value Score (IVR) 21 / 100 99.9 / 100 Microsoft Phi-4 (14B) (+78.9 pts)

Interactive Monthly Token Economics & ROI Forecaster

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

Live Calculation Engine
10.0M Tokens
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Estimated Monthly Spend

OpenAI o1 $5.45

$15/1M in · $60/1M out

Microsoft Phi-4 (14B) $67.50

$0.12/1M in · $0.36/1M out

Projected Monthly Cost Reduction
$62.05 / mo
(91.9% lower cost)
A

When to Choose OpenAI o1

Choose OpenAI o1 when you need Complex PhD-level multi-step science research, formal algorithm synthesis, and high-stakes reasoning pipelines. and have an infrastructure budget aligned with $15.00/1M tokens.

B

When to Choose Microsoft Phi-4 (14B)

Choose Microsoft Phi-4 (14B) when you need High-efficiency local math reasoning, embedded device processing, on-device SLM logic, and low-latency classification. and prioritize Microsoft ecosystem integration at $0.12/1M tokens.

Related Questions & Decision Factors

Which is cheaper: OpenAI o1 or Microsoft Phi-4 (14B)?

Microsoft Phi-4 (14B) is cheaper at $0.12/1M input tokens compared to $15.00/1M for OpenAI o1.

Which model has lower latency: OpenAI o1 or Microsoft Phi-4 (14B)?

Microsoft Phi-4 (14B) delivers faster response times with an average TTFT of 110ms vs 850ms for OpenAI o1.

When should you choose OpenAI o1?

Choose OpenAI o1 when you need Complex PhD-level multi-step science research, formal algorithm synthesis, and high-stakes reasoning pipelines. and have an infrastructure budget aligned with $15.00/1M tokens.

When should you choose Microsoft Phi-4 (14B)?

Choose Microsoft Phi-4 (14B) when you need High-efficiency local math reasoning, embedded device processing, on-device SLM logic, and low-latency classification. and prioritize Microsoft ecosystem integration at $0.12/1M tokens.

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