GPT-4 Turbo vs Reka Flash

Performance benchmarks + pricing comparison — updated April 2026

GPT-4 Turbo

OpenAI

Previous generation high-performance model. Good for complex reasoning tasks.

Input$10.00/M
Output$30.00/M
Context128K tokens
Best ForComplex reasoning, data extraction, analysis
Benchmark70/100

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.

BenchmarkGPT-4 TurboReka FlashLeader
Overall Score 70 40 GPT-4 Turbo leads by 30pts
SWE-bench Verified 64 32 GPT-4 Turbo leads by 32pts
LiveCodeBench 72 42 GPT-4 Turbo leads by 30pts
HumanEval 88 62 GPT-4 Turbo leads by 26pts
BigCodeBench 56 26 GPT-4 Turbo leads by 30pts

Cost Comparison by Scenario

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

ScenarioGPT-4 TurboReka FlashSavings
Small Script (1K lines) $1.25 $0.03 Reka Flash saves $1.22 (98%)
Medium Feature (10K lines) $9.50 $0.23 Reka Flash saves $9.27 (98%)
Large Project (50K lines) $47.50 $1.15 Reka Flash saves $46.35 (98%)
Code Review (5K lines) $2.50 $0.06 Reka Flash saves $2.44 (98%)

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
GPT-4 Turbo 70 $0.133/pt Higher cost per point
Reka Flash 40 $0.025/pt Better value

Reka Flash delivers the best value at $0.025 per score point.

Strengths & Weaknesses

GPT-4 Turbo

  • + Proven model
  • + Large context
  • - Superseded by GPT-4o

Reka Flash

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

Verdict

Reka Flash is cheaper at $0.200/M, but GPT-4 Turbo scores higher on benchmarks (70 vs 40).

Choose Reka Flash for cost-sensitive projects, GPT-4 Turbo when performance matters most.

Compare with Other Models