Model Comparison
Gemini 2.5 Flash-Lite (Non-reasoning)
vs. Grok Code Fast 1
Comparing 2 AI models · 12 benchmarks · Google, xAI
Recommended Pick
xA Grok Code Fast 1 17 metric wins Strongest on: Input price, Output price, TTFT
Lowest Price
Grok Code Fast 1
$0.00/1M input price
Best Reasoning
Gemini 2.5 Flash-Lite (Non-reasoning)
39.6 reasoning score
Blends available reasoning benchmarks
Best for Coding
Grok Code Fast 1
23.7 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
Grok Code Fast 1 is ∞x cheaper on input tokens than Gemini 2.5 Flash-Lite (Non-reasoning).
Reasoning gap
Gemini 2.5 Flash-Lite (Non-reasoning) leads Grok Code Fast 1 by 0.5 points on reasoning.
Coding gap
Grok Code Fast 1 leads Gemini 2.5 Flash-Lite (Non-reasoning) by 16.3 points on coding.
Top-pick rationale
Grok Code Fast 1 wins 17 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.
Gemini 2.5 Flash-Lite (Non-reasoning)
TTFT
—
Time
—
tok/s
—
Tokens
—
Cost
—
Grok Code Fast 1
xAI
TTFT
—
Time
—
tok/s
—
Tokens
—
Cost
—
Which answer was more useful?
Full Comparison
| Metric | Go Gemini 2.5 Flash-Lite (Non-reasoning) | Top Pick xA Grok Code Fast 1 |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $0.10/1M | $0.00/1M |
| Output Cost | $0.40/1M | $0.00/1M |
| Blended (3:1) | $0.18/1M | — |
| Specifications | ||
| Organization | xAI | |
| Release Date | Jun 17, 2025 | Aug 28, 2025 |
| Performance & Speed | ||
| Throughput | 235.5 tok/s | — |
| TTFT | 359ms | — |
| Latency | 359ms | — |
| Composite Indices | ||
| Value Score | 100.0 | — |
| Reasoning Score | 39.6 | 39.1 |
| Intelligence | 12.7 | 28.7 |
| Coding | 7.4 | 23.7 |
| Math | 35.3 | 43.3 |
| Standard Benchmarks | ||
| GPQA | 47.4% | 72.7% |
| MMLU Pro | 72.4% | 79.3% |
| HLE | 3.7% | 7.5% |
| LiveCodeBench | 40.0% | 65.7% |
| MATH 500 | 92.6% | — |
| AIME 2025 | 35.3% | 43.3% |
| AIME (Original) | 50.0% | — |
| SciCode | 17.7% | 36.2% |
| LCR | 31.3% | 48.3% |
| IFBench | 31.5% | 41.4% |
| TAU-bench v2 | 19.0% | 75.7% |
| TerminalBench Hard | 2.3% | 17.4% |
Key Takeaways
Grok Code Fast 1 offers the best value at $0.00/1M, making it ideal for high-volume applications and cost-conscious projects.
Gemini 2.5 Flash-Lite (Non-reasoning) has the strongest reasoning profile with a 39.6 reasoning score, combining the available reasoning-heavy benchmarks.
Grok Code Fast 1 reaches a 23.7 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-Lite (Non-reasoning)
- Complex reasoning tasks
- Research & analysis
Grok Code Fast 1
- Cost-sensitive applications
- High-volume processing
- Code generation
- Software development
