Microsoft Phi-4 vs Reka Flash

Performance benchmarks + pricing comparison — updated April 2026

Microsoft Phi-4

Microsoft

Microsoft's compact 14B model with strong reasoning and coding capability. Excellent value for small-scale deployments.

Input$0.100/M
Output$0.300/M
Context128K tokens
Best ForEdge deployments, local inference, budget coding
Benchmark45/100

Reka Flash

Reka

Reka's fast multimodal model. Compact and efficient for high-volume tasks with vision capability.

Input$0.200/M
Output$0.800/M
Context128K tokens
Best ForHigh-volume tasks, vision + text, cost optimization
Benchmark40/100

Benchmark Performance Comparison

Third-party benchmark scores — higher is better. Data sourced from SWE-bench, LiveCodeBench, HumanEval, and BigCodeBench.

BenchmarkMicrosoft Phi-4Reka FlashLeader
Overall Score 45 40 Microsoft Phi-4 leads by 5pts
SWE-bench Verified 38 32 Microsoft Phi-4 leads by 6pts
LiveCodeBench 46 42 Microsoft Phi-4 leads by 4pts
HumanEval 68 62 Microsoft Phi-4 leads by 6pts
BigCodeBench 30 26 Microsoft Phi-4 leads by 4pts

Cost Comparison by Scenario

Estimated cost per project with 30% cache hit rate. Actual costs may vary based on usage patterns.

ScenarioMicrosoft Phi-4Reka FlashSavings
Small Script (1K lines) $0.01 $0.03 Microsoft Phi-4 saves $0.02 (60%)
Medium Feature (10K lines) $0.10 $0.23 Microsoft Phi-4 saves $0.14 (59%)
Large Project (50K lines) $0.47 $1.15 Microsoft Phi-4 saves $0.68 (59%)
Code Review (5K lines) $0.02 $0.06 Microsoft Phi-4 saves $0.03 (55%)

Value Analysis (Price per Benchmark Score Point)

Lower is better — how much you pay for each point of benchmark performance.

ModelOverall ScorePrice per Score PointVerdict
Microsoft Phi-4 45 $0.002/pt Better value
Reka Flash 40 $0.025/pt Higher cost per point

Microsoft Phi-4 delivers the best value at $0.002 per score point.

Strengths & Weaknesses

Microsoft Phi-4

  • + Small model, runs locally
  • - Limited capacity

Reka Flash

  • + Multimodal
  • + Fast
  • - Basic coding
  • - Niche provider

Verdict

Microsoft Phi-4 wins on both price and performance — $0.100/M input with a benchmark score of 45/100.

For most developers, this is the clear choice between these two models.

Compare with Other Models