Model Comparison
GPT-4o mini Realtime (Dec '24)
vs. K3
Comparing 2 AI models · 4 benchmarks · OpenAI, Kimi
Recommended Pick
OpGPT-4o mini Realtime (Dec '24)4 metric winsStrongest on: Input price, Output price, TTFT
Lowest Price
GPT-4o mini Realtime (Dec '24)
$0.00/1M input price
Best for Coding
K3
76.2 coding index
Composite Indices
Higher is better; speed and price are normalized
Standard Benchmarks
Only benchmarks with data are shown
Differences That Matter
Price gap
GPT-4o mini Realtime (Dec '24) is ∞x cheaper on input tokens than K3.
Top-pick rationale
GPT-4o mini Realtime (Dec '24) wins 4 measurable categories, including Input price, Output price, TTFT, Latency.
Response Face-Off
Run one prompt through the selected models and compare response quality with live speed and cost context.
GPT-4o mini Realtime (Dec '24)
OpenAI
TTFT
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Time
—
tok/s
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Tokens
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Cost
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K3
Kimi
TTFT
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Time
—
tok/s
—
Tokens
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Cost
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Which answer was more useful?
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Full Comparison
| Metric | Top Pick Op GPT-4o mini Realtime (Dec '24) | Ki K3 |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $0.00/1M | $3.00/1M |
| Output Cost | $0.00/1M | $15.00/1M |
| Blended (3:1) | — | $6.00/1M |
| Specifications | ||
| Organization | OpenAI | Kimi |
| Release Date | Dec 17, 2024 | Jul 16, 2026 |
| Performance & Speed | ||
| Throughput | — | 37.6 tok/s |
| TTFT | — | 5861ms |
| Latency | — | 59006ms |
| Composite Indices | ||
| Value Score | — | 100.0 |
| Reasoning Score | — | 65.0 |
| Intelligence | — | 57.1 |
| Coding | — | 76.2 |
| Standard Benchmarks | ||
| GPQA | — | 93.5% |
| HLE | — | 44.3% |
| SciCode | — | 58.7% |
| LCR | — | 74.7% |
Key Takeaways
GPT-4o mini Realtime (Dec '24) offers the best value at $0.00/1M,making it ideal for high-volume applications and cost-conscious projects.
K3 reaches a 76.2 coding index,making it the top choice for software development and code generation tasks.
All models support context windows of ∞+ tokens,suitable for processing lengthy documents and maintaining extended conversations.
When to Choose Each Model
GPT-4o mini Realtime (Dec '24)
- Cost-sensitive applications
- High-volume processing
K3
- Code generation
- Software development
