Model Comparison
Claude Fable 5.2 (Max, Default Fallback)
vs. GPT-6 Astra (Max)
GPT-6 Astra (Max) has not been available at LLMBase since 26 October 2026. Open alternative: DeepSeek V4 Pro →
Comparing 2 AI models · 0 benchmarks · Anthropic, OpenAI
Recommended Pick
AnClaude Fable 5.2 (Max, Default Fallback)9 metric winsStrongest on: Value, Input price, Output price
Best Value
Claude Fable 5.2 (Max, Default Fallback)
100.0 value score
64.6 reasoning / $16.00/1M
Lowest Price
Claude Fable 5.2 (Max, Default Fallback)
$8.00/1M input price
Best Reasoning
Claude Fable 5.2 (Max, Default Fallback)
64.6 reasoning score
Blends available reasoning benchmarks
Differences That Matter
Best value
Claude Fable 5.2 (Max, Default Fallback) has the strongest quality-to-price mix at 100.0 out of 100 value points.
Price gap
Claude Fable 5.2 (Max, Default Fallback) is 1.3x cheaper on input tokens than GPT-6 Astra (Max).
Speed gap
Claude Fable 5.2 (Max, Default Fallback) generates about 1.4x as many tokens per second as GPT-6 Astra (Max).
Reasoning gap
Claude Fable 5.2 (Max, Default Fallback) leads GPT-6 Astra (Max) by 7.7 points on reasoning.
Top-pick rationale
Claude Fable 5.2 (Max, Default Fallback) wins 9 measurable categories, including Value, Input price, Output price, Blended price.
Response Face-Off
Run one prompt through the selected models and compare response quality with live speed and cost context.
Claude Fable 5.2 (Max, Default Fallback)
Anthropic
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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GPT-6 Astra (Max)
OpenAI
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?
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Full Comparison
| Metric | Top Pick An Claude Fable 5.2 (Max, Default Fallback) | Op GPT-6 Astra (Max) |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $8.00/1M | $10.00/1M |
| Output Cost | $40.00/1M | $50.00/1M |
| Blended (3:1) | $16.00/1M | $20.00/1M |
| Specifications | ||
| Organization | Anthropic | OpenAI |
| Release Date | Nov 9, 2026 | Sep 3, 2026 |
| Performance & Speed | ||
| Throughput | 92.5 tok/s | 64.0 tok/s |
| TTFT | 142500ms | 280790ms |
| Latency | 142500ms | 280790ms |
| Composite Indices | ||
| Value Score | 100.0 | 70.5 |
| Reasoning Score | 64.6 | 56.9 |
| Intelligence | 64.6 | 56.9 |
Key Takeaways
Claude Fable 5.2 (Max, Default Fallback) offers the best value at $8.00/1M,making it ideal for high-volume applications and cost-conscious projects.
Claude Fable 5.2 (Max, Default Fallback) has the strongest reasoning profile with a 64.6 reasoning score,combining the available reasoning-heavy benchmarks.
All models support context windows of ∞+ tokens,suitable for processing lengthy documents and maintaining extended conversations.
When to Choose Each Model
Claude Fable 5.2 (Max, Default Fallback)
- Cost-sensitive applications
- High-volume processing
- Complex reasoning tasks
- Research & analysis
GPT-6 Astra (Max)
- General-purpose AI
- Versatile applications
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