Grok 3 Mini vs Reka Flash

Performance benchmarks + pricing comparison — updated April 2026

Grok 3 Mini

xAI

Cost-effective xAI model for high-volume tasks. Good balance of capability and affordability.

Input$0.300/M
Output$0.500/M
Context128K tokens
Best ForHigh-volume tasks, simple coding, cost-sensitive projects
Benchmark50/100

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.

BenchmarkGrok 3 MiniReka FlashLeader
Overall Score 50 40 Grok 3 Mini leads by 10pts
SWE-bench Verified 42 32 Grok 3 Mini leads by 10pts
LiveCodeBench 52 42 Grok 3 Mini leads by 10pts
HumanEval 72 62 Grok 3 Mini leads by 10pts
BigCodeBench 36 26 Grok 3 Mini leads by 10pts

Cost Comparison by Scenario

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

ScenarioGrok 3 MiniReka FlashSavings
Small Script (1K lines) $0.03 $0.03 Grok 3 Mini saves <$0.01 (18%)
Medium Feature (10K lines) $0.21 $0.23 Grok 3 Mini saves $0.03 (11%)
Large Project (50K lines) $1.02 $1.15 Grok 3 Mini saves $0.13 (11%)
Code Review (5K lines) $0.07 $0.06 Reka Flash saves $0.01 (15%)

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
Grok 3 Mini 50 $0.006/pt Better value
Reka Flash 40 $0.025/pt Higher cost per point

Grok 3 Mini delivers the best value at $0.006 per score point.

Strengths & Weaknesses

Grok 3 Mini

  • + Budget option
  • + Fast
  • - Limited capabilities

Reka Flash

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

Verdict

Reka Flash is cheaper at $0.200/M, but Grok 3 Mini scores higher on benchmarks (50 vs 40).

Choose Reka Flash for cost-sensitive projects, Grok 3 Mini when performance matters most.

Compare with Other Models