Model Comparison
Gemini 2.5 Flash Preview (Reasoning)
vs. Kimi K2.6 (Non-reasoning)
Comparing 2 AI models · 11 benchmarks · Google, MoonshotAI
Recommended Pick
Mo Kimi K2.6 (Non-reasoning) 5 metric wins Strongest on: Throughput, Intelligence, GPQA
Lowest Price
Gemini 2.5 Flash Preview (Reasoning)
$0.00/1M input price
Best Reasoning
Gemini 2.5 Flash Preview (Reasoning)
57.6 reasoning score
Blends available reasoning benchmarks
Best for Coding
Kimi K2.6 (Non-reasoning)
38.4 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
Gemini 2.5 Flash Preview (Reasoning) is ∞x cheaper on input tokens than Kimi K2.6 (Non-reasoning).
Reasoning gap
Gemini 2.5 Flash Preview (Reasoning) leads Kimi K2.6 (Non-reasoning) by 11.0 points on reasoning.
Top-pick rationale
Kimi K2.6 (Non-reasoning) wins 5 measurable categories, including Throughput, Intelligence, GPQA, HLE.
Response Face-Off
Run one prompt through the selected models and compare response quality with live speed and cost context.
Gemini 2.5 Flash Preview (Reasoning)
TTFT
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Time
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tok/s
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Tokens
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Cost
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Kimi K2.6 (Non-reasoning)
MoonshotAI
TTFT
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Time
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tok/s
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Tokens
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Cost
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Which answer was more useful?
Full Comparison
| Metric | Go Gemini 2.5 Flash Preview (Reasoning) | Top Pick Mo Kimi K2.6 (Non-reasoning) |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $0.00/1M | $0.95/1M |
| Output Cost | $0.00/1M | $4.00/1M |
| Blended (3:1) | — | $1.71/1M |
| Specifications | ||
| Organization | MoonshotAI | |
| Release Date | Apr 17, 2025 | Apr 20, 2026 |
| Performance & Speed | ||
| Throughput | — | 39.0 tok/s |
| TTFT | — | 1315ms |
| Latency | — | 1315ms |
| Composite Indices | ||
| Value Score | — | 100.0 |
| Reasoning Score | 57.6 | 46.6 |
| Intelligence | 24.3 | 42.9 |
| Coding | — | 38.4 |
| Standard Benchmarks | ||
| GPQA | 69.8% | 78.8% |
| MMLU Pro | 80.0% | — |
| HLE | 11.6% | 18.2% |
| LiveCodeBench | 50.5% | — |
| MATH 500 | 98.1% | — |
| AIME (Original) | 84.3% | — |
| SciCode | 35.9% | 39.5% |
| LCR | — | 57.7% |
| IFBench | — | 44.3% |
| TAU-bench v2 | — | 93.9% |
| TerminalBench Hard | — | 37.9% |
Key Takeaways
Gemini 2.5 Flash Preview (Reasoning) offers the best value at $0.00/1M, making it ideal for high-volume applications and cost-conscious projects.
Gemini 2.5 Flash Preview (Reasoning) has the strongest reasoning profile with a 57.6 reasoning score, combining the available reasoning-heavy benchmarks.
Kimi K2.6 (Non-reasoning) reaches a 38.4 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
Gemini 2.5 Flash Preview (Reasoning)
- Cost-sensitive applications
- High-volume processing
- Complex reasoning tasks
- Research & analysis
Kimi K2.6 (Non-reasoning)
- Code generation
- Software development
