Grok 3 vs Reka Flash
Performance benchmarks + pricing comparison — updated April 2026
Grok 3
xAIxAI's flagship model. Strong general-purpose capability with real-time knowledge access through X platform integration.
| Input | $3.00/M |
| Output | $15.00/M |
| Context | 128K tokens |
| Best For | General coding, research tasks, current-event-aware applications |
| Benchmark | 70/100 |
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 | Grok 3 | Reka Flash | Leader |
|---|---|---|---|
| Overall Score | 70 | 40 | Grok 3 leads by 30pts |
| SWE-bench Verified | 64 | 32 | Grok 3 leads by 32pts |
| LiveCodeBench | 72 | 42 | Grok 3 leads by 30pts |
| HumanEval | 88 | 62 | Grok 3 leads by 26pts |
| BigCodeBench | 56 | 26 | Grok 3 leads by 30pts |
Cost Comparison by Scenario
Estimated cost per project with 30% cache hit rate. Actual costs may vary based on usage patterns.
| Scenario | Grok 3 | Reka Flash | Savings |
|---|---|---|---|
| Small Script (1K lines) | $0.55 | $0.03 | Reka Flash saves $0.52 (94%) |
| Medium Feature (10K lines) | $4.05 | $0.23 | Reka Flash saves $3.82 (94%) |
| Large Project (50K lines) | $20.25 | $1.15 | Reka Flash saves $19.10 (94%) |
| Code Review (5K lines) | $0.90 | $0.06 | Reka Flash saves $0.84 (94%) |
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 |
|---|---|---|---|
| Grok 3 | 70 | $0.043/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
Grok 3
- + Strong reasoning
- + X integration
- - Newer model
- - Limited ecosystem
Reka Flash
- + Multimodal
- + Fast
- - Basic coding
- - Niche provider
Verdict
Reka Flash is cheaper at $0.200/M, but Grok 3 scores higher on benchmarks (70 vs 40).
Choose Reka Flash for cost-sensitive projects, Grok 3 when performance matters most.
Compare with Other Models
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