Model Comparison
Gemini 3.1 Pro Preview
vs. Claude Fable 5.1 (Adaptive Reasoning, Max Effort, Default Fallback)
Comparing 2 AI models · 0 benchmarks · Google, Anthropic
Recommended Pick
GoGemini 3.1 Pro Preview7 metric winsStrongest on: Value, Input price, Output price
Best Value
Gemini 3.1 Pro Preview
100.0 value score
47.7 reasoning / $4.50/1M
Lowest Price
Gemini 3.1 Pro Preview
$2.00/1M 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 3.1 Pro Preview has the strongest quality-to-price mix at 100.0 out of 100 value points.
Price gap
Gemini 3.1 Pro Preview is 5.0x cheaper on input tokens than Claude Fable 5.1 (Adaptive Reasoning, Max Effort, Default Fallback).
Speed gap
Gemini 3.1 Pro Preview generates about 1.5x 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 3.1 Pro Preview by 18.0 points on reasoning.
Coding gap
Claude Fable 5.1 (Adaptive Reasoning, Max Effort, Default Fallback) leads Gemini 3.1 Pro Preview by 12.8 points on coding.
Response Face-Off
Run one prompt through the selected models and compare response quality with live speed and cost context.
Gemini 3.1 Pro Preview
TTFT
—
Time
—
tok/s
—
Tokens
—
Cost
—
Claude Fable 5.1 (Adaptive Reasoning, Max Effort, Default Fallback)
Anthropic
TTFT
—
Time
—
tok/s
—
Tokens
—
Cost
—
Which answer was more useful?
Secure AI Chat made in Europe
Processing terms vary by selected model. Review the current Privacy Policy and DPA before using sensitive data.
OpenAI-compatible inference
Choose from the current model catalog. Processing terms vary by selected model and service.
Full Comparison
| Metric | Top Pick Go Gemini 3.1 Pro Preview | An Claude Fable 5.1 (Adaptive Reasoning, Max Effort, Default Fallback) |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $2.00/1M | $10.00/1M |
| Output Cost | $12.00/1M | $50.00/1M |
| Blended (3:1) | $4.50/1M | $20.00/1M |
| Specifications | ||
| Organization | Anthropic | |
| Release Date | Feb 19, 2026 | Sep 1, 2026 |
| Performance & Speed | ||
| Throughput | 102.5 tok/s | 66.5 tok/s |
| TTFT | 22150ms | 296810ms |
| Latency | 22150ms | 296810ms |
| Composite Indices | ||
| Value Score | 100.0 | 31.0 |
| Reasoning Score | 47.7 | 65.7 |
| Intelligence | 47.7 | 65.7 |
| Coding | 68.8 | 81.6 |
Key Takeaways
Gemini 3.1 Pro Preview offers the best value at $2.00/1M,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 3.1 Pro Preview
- 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
