OpenAI o1 vs Reka Flash
Performance benchmarks + pricing comparison — updated April 2026
OpenAI o1
OpenAIReasoning model optimized for complex problem-solving. Excels at math, science, and advanced coding.
| Input | $15.00/M |
| Output | $60.00/M |
| Context | 200K tokens |
| Best For | Complex math, advanced coding, scientific reasoning |
| Benchmark | 83/100 |
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 | OpenAI o1 | Reka Flash | Leader |
|---|---|---|---|
| Overall Score | 83 | 40 | o1 leads by 43pts |
| SWE-bench Verified | 80 | 32 | o1 leads by 48pts |
| LiveCodeBench | 84 | 42 | o1 leads by 42pts |
| HumanEval | 95 | 62 | o1 leads by 33pts |
| BigCodeBench | 73 | 26 | o1 leads by 47pts |
Cost Comparison by Scenario
Estimated cost per project with 30% cache hit rate. Actual costs may vary based on usage patterns.
| Scenario | OpenAI o1 | Reka Flash | Savings |
|---|---|---|---|
| Small Script (1K lines) | $2.32 | $0.03 | Reka Flash saves $2.29 (99%) |
| Medium Feature (10K lines) | $17.25 | $0.23 | Reka Flash saves $17.02 (99%) |
| Large Project (50K lines) | $86.25 | $1.15 | Reka Flash saves $85.10 (99%) |
| Code Review (5K lines) | $4.13 | $0.06 | Reka Flash saves $4.07 (99%) |
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 |
|---|---|---|---|
| OpenAI o1 | 83 | $0.181/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
OpenAI o1
- + Strong step-by-step reasoning
- + Best at math-heavy coding
- - Expensive
- - Slow
Reka Flash
- + Multimodal
- + Fast
- - Basic coding
- - Niche provider
Verdict
Reka Flash is cheaper at $0.200/M, but OpenAI o1 scores higher on benchmarks (83 vs 40).
Choose Reka Flash for cost-sensitive projects, OpenAI o1 when performance matters most.
Compare with Other Models
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Claude 3.5 Haiku
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Claude 3 Opus
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Claude 3 Sonnet
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