Model Comparison
Gemini 3.8 Flash (high)
vs. Claude Fable 5.1 (Adaptive Reasoning, Max Effort, Default Fallback)
Comparing 2 AI models · 0 benchmarks · Google, Anthropic
Recommended Pick
GoGemini 3.8 Flash (high)7 metric winsStrongest on: Value, Input price, Output price
Best Value
Gemini 3.8 Flash (high)
100.0 value score
58.7 reasoning / $1.50/1M
Lowest Price
Gemini 3.8 Flash (high)
$0.75/1M input price
Best Reasoning
Claude Fable 5.1 (Adaptive Reasoning, Max Effort, Default Fallback)
65.7 reasoning score
Blends available reasoning benchmarks
Best for Coding
Claude Fable 5.1 (Adaptive Reasoning, Max Effort, Default Fallback)
81.6 coding index
Differences That Matter
Best value
Gemini 3.8 Flash (high) has the strongest quality-to-price mix at 100.0 out of 100 value points.
Price gap
Gemini 3.8 Flash (high) is 13.3x cheaper on input tokens than Claude Fable 5.1 (Adaptive Reasoning, Max Effort, Default Fallback).
Speed gap
Gemini 3.8 Flash (high) generates about 4.6x as many tokens per second as Claude Fable 5.1 (Adaptive Reasoning, Max Effort, Default Fallback).
Reasoning gap
Claude Fable 5.1 (Adaptive Reasoning, Max Effort, Default Fallback) leads Gemini 3.8 Flash (high) by 7.0 points on reasoning.
Coding gap
Claude Fable 5.1 (Adaptive Reasoning, Max Effort, Default Fallback) leads Gemini 3.8 Flash (high) by 5.3 points on coding.
Response Face-Off
Run one prompt through the selected models and compare response quality with live speed and cost context.
Gemini 3.8 Flash (high)
TTFT
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Claude Fable 5.1 (Adaptive Reasoning, Max Effort, Default Fallback)
Anthropic
TTFT
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Which answer was more useful?
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Full Comparison
| Metric | Top Pick Go Gemini 3.8 Flash (high) | An Claude Fable 5.1 (Adaptive Reasoning, Max Effort, Default Fallback) |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $0.75/1M | $10.00/1M |
| Output Cost | $3.75/1M | $50.00/1M |
| Blended (3:1) | $1.50/1M | $20.00/1M |
| Specifications | ||
| Organization | Anthropic | |
| Release Date | Sep 2, 2026 | Sep 1, 2026 |
| Performance & Speed | ||
| Throughput | 304.6 tok/s | 66.5 tok/s |
| TTFT | 13390ms | 296810ms |
| Latency | 13390ms | 296810ms |
| Composite Indices | ||
| Value Score | 100.0 | 8.4 |
| Reasoning Score | 58.7 | 65.7 |
| Intelligence | 58.7 | 65.7 |
| Coding | 76.3 | 81.6 |
Key Takeaways
Gemini 3.8 Flash (high) offers the best value at $0.75/1M,making it ideal for high-volume applications and cost-conscious projects.
Claude Fable 5.1 (Adaptive Reasoning, Max Effort, Default Fallback) has the strongest reasoning profile with a 65.7 reasoning score,combining the available reasoning-heavy benchmarks.
Claude Fable 5.1 (Adaptive Reasoning, Max Effort, Default Fallback) reaches a 81.6 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 3.8 Flash (high)
- Cost-sensitive applications
- High-volume processing
Claude Fable 5.1 (Adaptive Reasoning, Max Effort, Default Fallback)
- Complex reasoning tasks
- Research & analysis
- Code generation
- Software development
