This model is deprecated. We only continue performance benchmarking for the default 10k input token workload. Results for other workloads are historical and no longer updated.
Anthropic has launched a newer model, Claude Fable 5.1 (max with fallback). We suggest considering it instead.
For more information, see comparison of Claude Fable 5.1 (max with fallback) to other models and API provider benchmarks for Claude Fable 5.1 (max with fallback).
Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 4.8 Fallback) API Provider Benchmarking & Analysis
This analysis is intended to support you in choosing the best API provider of Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 4.8 Fallback) for your use-case.
Fastest
Azure
Google
AnthropicOutput speed
Total 3 providers
Lowest Latency
AzureGoogleAnthropicTime to first answer token
Total 3 providers
Lowest Price
AnthropicGoogleAzureBlended price (per 1M tokens)
Total 3 providers
Claude Fable 5 (with fallback) is available through 3 API providers, each offering different performance characteristics and pricing. Below is a comparison of the key metrics across providers.
- For output speed, the top providers are Azure (62.7 t/s), Google (59.3 t/s), and Anthropic (57.4 t/s).
- For latency, Azure (100.31s), Google (101.11s), and Anthropic (110.35s) offer the lowest time to first answer token.
- For pricing, Anthropic (7.70), Google (7.70), and Azure (14.00) offer the lowest blended prices per 1M tokens.
- Azure offers the best performance with both the highest speed and lowest latency. For cost optimization, Anthropic provides the most competitive pricing.
Highlights
Pricing
Pricing: Cache Hit, Input, and Output
Pricing: Blended Price
Pricing: Cache Discount
Output Speed vs. Price
Speed
Measured by Output Speed (tokens per second)
Output Speed: Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 4.8 Fallback)
Latency vs. Output Speed
Latency
Measured by Time (seconds) to First Token
Time to First Answer Token
End-to-End Response Time
Seconds to output 500 tokens, calculated based on time to first token, 'thinking' time for reasoning models, and output speed
End-to-End Response Time
Key Comparison Metrics & API Features
Frequently Asked Questions
Common questions about Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 4.8 Fallback) providers
Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 4.8 Fallback) is currently available through 3 API providers that we benchmark and track.
All 3 providers of Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 4.8 Fallback) support function calling (tool use).
When choosing a provider for Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 4.8 Fallback), consider: output speed (for throughput-intensive tasks), latency (for interactive applications requiring quick first responses), pricing (for cost-sensitive workloads), and API features like JSON mode or function calling.
Yes, provider performance can vary over time due to infrastructure changes, load balancing, and updates. We continuously benchmark all providers and display historical performance trends in the "Over Time" charts.
For information about Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 4.8 Fallback)'s intelligence, capabilities, modalities, and how it compares to other models, see the model overview page. View model overview