GPT-4.1 vs Reka Flash
Performance benchmarks + pricing comparison — updated April 2026
GPT-4.1
OpenAIUpdated GPT-4 generation with improved instruction following and reduced hallucination. Better coding accuracy than GPT-4o.
| Input | $2.00/M |
| Output | $8.00/M |
| Context | 128K tokens |
| Best For | Production coding, API development, complex instructions |
| Benchmark | 80/100 |
Reka Flash
RekaReka's fast multimodal model. Compact and efficient for high-volume tasks with vision capability.
| Input | $0.200/M |
| Output | $0.800/M |
| Context | 128K tokens |
| Best For | High-volume tasks, vision + text, cost optimization |
| Benchmark | 40/100 |
Benchmark Performance Comparison
Third-party benchmark scores — higher is better. Data sourced from SWE-bench, LiveCodeBench, HumanEval, and BigCodeBench.
| Benchmark | GPT-4.1 | Reka Flash | Leader |
|---|---|---|---|
| Overall Score | 80 | 40 | GPT-4.1 leads by 40pts |
| SWE-bench Verified | 76 | 32 | GPT-4.1 leads by 44pts |
| LiveCodeBench | 82 | 42 | GPT-4.1 leads by 40pts |
| HumanEval | 94 | 62 | GPT-4.1 leads by 32pts |
| BigCodeBench | 68 | 26 | GPT-4.1 leads by 42pts |
Cost Comparison by Scenario
Estimated cost per project with 30% cache hit rate. Actual costs may vary based on usage patterns.
| Scenario | GPT-4.1 | Reka Flash | Savings |
|---|---|---|---|
| Small Script (1K lines) | $0.31 | $0.03 | Reka Flash saves $0.28 (90%) |
| Medium Feature (10K lines) | $2.30 | $0.23 | Reka Flash saves $2.07 (90%) |
| Large Project (50K lines) | $11.50 | $1.15 | Reka Flash saves $10.35 (90%) |
| Code Review (5K lines) | $0.55 | $0.06 | Reka Flash saves $0.50 (90%) |
Value Analysis (Price per Benchmark Score Point)
Lower is better — how much you pay for each point of benchmark performance.
| Model | Overall Score | Price per Score Point | Verdict |
|---|---|---|---|
| GPT-4.1 | 80 | $0.063/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-4.1
- + Latest GPT model
- + Strong across all benchmarks
- - Premium pricing
Reka Flash
- + Multimodal
- + Fast
- - Basic coding
- - Niche provider
Verdict
Reka Flash is cheaper at $0.200/M, but GPT-4.1 scores higher on benchmarks (80 vs 40).
Choose Reka Flash for cost-sensitive projects, GPT-4.1 when performance matters most.
Compare with Other Models
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