About
Claude Fable 5 is a Mythos-class model from Anthropic, built for autonomous knowledge work and coding. It supports text, image, and file inputs with text output, with reasoning support and...
Related Models
Anthropic: Claude Opus 4.82026-05-27Anthropic: Claude Opus 4.8 (Fast)2026-05-27Anthropic: Claude Opus 4.7 (Fast)2026-05-12Anthropic: Claude Opus 4.72026-04-16Claude Opus 4.7 (Non-reasoning, High Effort)2026-04-16Anthropic: Claude Opus 4.6 (Fast)2026-04-07Claude Sonnet 4.6 (Adaptive Reasoning, Max Effort)2026-02-17Anthropic: Claude Sonnet 4.62026-02-17
Pricing
Input
$10.00
per 1M tokens
Output
$50.00
per 1M tokens
Blended
$20.00
per 1M tokens
Cheaper than 3% of models. Median price is $0.54/1M tokens.
Cost Calculator
Tokens per day1M
100K100M
Daily
$20.00
Monthly
$600.00
vs. Similar Models
Anthropic: Claude Opus 4.8Q:-3.5
$10.00-50%
OpenAI: GPT-5.5Q:-4.7
$11.25-44%
GPT-5.5 (high)Q:-6.0
$11.25-44%
Anthropic: Claude Opus 4.7Q:-7.6
$10.00-50%
Performance
64
tokens/sec
Faster than 33% of models
66.09
seconds
Faster than 1% of models
66.09
seconds
Faster than 4% of models
Market Median
92 tok/s
31% slower
Median TTFT
1.13s
5764% slower
Throughput/Dollar
3
tok/s per $/1M
Speed Comparison
GLM-5.1 (Non-reasoning)
64 tok/s-0%
Claude Sonnet 4.6 (Adaptive Reasoning, Max Effort)
64 tok/s+0%
GPT-5.2 (Non-reasoning)
63 tok/s-1%
Context Window
1.0M
tokens
Larger than 81% of models
Max Output
128K
tokens
13% of context
Benchmarks
MMLU-ProNot evaluated
GPQA Diamond
92.6%
HLE
53.3%
LiveCodeBenchNot evaluated
SciCode
60.2%
TerminalBench Hard
62.9%
MATH-500Not evaluated
AIMENot evaluated
AIME 2025Not evaluated
IFBench
63.5%
Long Context Recall
70.0%
Tau2
98.5%
Market AverageTop Score