Phi-4 API Provider Benchmarking & Analysis
This analysis is intended to support you in choosing the best API provider of Phi-4 for your use-case.
Fastest
DeepInfra
AzureOutput speed
Total 2 providers
Lowest Latency
DeepInfraAzureTime to first token
Total 2 providers
Lowest Price
DeepInfraAzureBlended price (per 1M tokens)
Total 2 providers
Phi-4 is available through 2 API providers, each offering different performance characteristics and pricing. Below is a comparison of the key metrics across providers.
- For output speed, the top providers are DeepInfra (69.1 t/s) and Azure (31.8 t/s).
- For latency, DeepInfra (0.85s) and Azure (2.85s) offer the lowest time to first token.
- For pricing, DeepInfra (0.08) and Azure (0.16) offer the lowest blended prices per 1M tokens.
- DeepInfra stands out as the overall leader, ranking first across all three categories: speed, latency, and pricing.
Highlights
Update: Default performance benchmarking workload has updated to 10k input tokens to better reflect production use cases. You can still select different workloads above.
Pricing
Pricing: Cache Hit, Input, and Output
Pricing: Blended Price
Output Speed vs. Price
Speed
Measured by Output Speed (tokens per second)
Output Speed: Phi-4
Latency vs. Output Speed
Latency
Measured by Time (seconds) to First Token
Time to First Token
End-to-End Response Time
Seconds to output 500 tokens, calculated based on time to first token, 'thinking' time for reasoning models, and output speed
End-to-End Response Time
Key Comparison Metrics & API Features
Frequently Asked Questions
Common questions about Phi-4 providers
Phi-4 is currently available through 2 API providers that we benchmark and track.
All 2 providers of Phi-4 support JSON mode for structured output.
DeepInfra leads across all key metrics for Phi-4, offering the fastest speed, lowest latency, and most competitive pricing.
When choosing a provider for Phi-4, consider: output speed (for throughput-intensive tasks), latency (for interactive applications requiring quick first responses), pricing (for cost-sensitive workloads), and API features like JSON mode or function calling.
Yes, provider performance can vary over time due to infrastructure changes, load balancing, and updates. We continuously benchmark all providers and display historical performance trends in the "Over Time" charts.
For information about Phi-4's intelligence, capabilities, modalities, and how it compares to other models, see the model overview page. View model overview