GPT-4o vs Reka Flash
Performance benchmarks + pricing comparison — updated April 2026
GPT-4o
OpenAIOpenAI's flagship multimodal model. Strong coding and reasoning at competitive pricing.
| Input | $2.50/M |
| Output | $10.00/M |
| Context | 128K tokens |
| Best For | General coding, multimodal tasks, chatbots |
| Benchmark | 75/100 |
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-4o | Reka Flash | Leader |
|---|---|---|---|
| Overall Score | 75 | 40 | GPT-4o leads by 35pts |
| SWE-bench Verified | 70 | 32 | GPT-4o leads by 38pts |
| LiveCodeBench | 78 | 42 | GPT-4o leads by 36pts |
| HumanEval | 90 | 62 | GPT-4o leads by 28pts |
| BigCodeBench | 62 | 26 | GPT-4o leads by 36pts |
Cost Comparison by Scenario
Estimated cost per project with 30% cache hit rate. Actual costs may vary based on usage patterns.
| Scenario | GPT-4o | Reka Flash | Savings |
|---|---|---|---|
| Small Script (1K lines) | $0.41 | $0.03 | Reka Flash saves $0.38 (92%) |
| Medium Feature (10K lines) | $3.06 | $0.23 | Reka Flash saves $2.83 (92%) |
| Large Project (50K lines) | $15.31 | $1.15 | Reka Flash saves $14.16 (92%) |
| Code Review (5K lines) | $0.78 | $0.06 | Reka Flash saves $0.73 (93%) |
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-4o | 75 | $0.033/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-4o
- + Strong general-purpose
- + Good multimodal
- - Less consistent on coding than Claude
Reka Flash
- + Multimodal
- + Fast
- - Basic coding
- - Niche provider
Verdict
Reka Flash is cheaper at $0.200/M, but GPT-4o scores higher on benchmarks (75 vs 40).
Choose Reka Flash for cost-sensitive projects, GPT-4o when performance matters most.
Compare with Other Models
Claude Sonnet 4
AnthropicAnthropic's balanced model for coding and general tasks. Best price-performance ratio in the Claude family.
Claude Opus 4
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Claude 3.5 Sonnet
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Claude 3.5 Haiku
AnthropicFast, cost-effective model for high-volume tasks. Great for code review and simple queries.
Claude 3 Opus
AnthropicFirst generation Opus. Highest reasoning capability in the Claude 3 family.
Claude 3 Sonnet
AnthropicFirst generation Sonnet. Balanced performance for general tasks.