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Claude · Flagship · 1,000K context window

Claude Fable 5 pricing for math reasoning

$0.1650 per call at 1,500 input / 3,000 output tokens.

Per call

$0.1650

10K calls/mo

$1,650

Cache savings

90% off input

Batch savings

50% off all

Calculate your Claude Fable 5 costs

Adjust token counts, volume, and discount toggles to model your math reasoning spend. Pricing updated weekly.

Configure your usage

1,500
100100K
3,000
5050K
10,000
1001M

Estimated cost

Monthly cost
$1,650
10,000 calls/month
Cost per call$0.165
Daily cost$55
Input rate$10.00/MTok
Output rate$50.00/MTok
Analyze your real spend

Quick start

Call Claude Fable 5 with the Anthropic Python SDK:

from anthropic import Anthropic

client = Anthropic()
response = client.messages.create(
    model="claude-fable-5",
    max_tokens=3000,
    messages=[{"role": "user", "content": "Your prompt here"}]
)
# Cost: ~$0.1650 per call at standard rates
# Input:  $10.00/MTok
# Output: $50.00/MTok

How Claude Fable 5 compares on cost

Per-call cost for all models scoring 50+ on math reasoning benchmarks. Hover for details.

Gemini 3.5 Flash-Lite$0.004875Gemini 3 Flash$0.009750Claude Haiku 4.5$0.0165GPT 5.6 Luna$0.0195Gemini 3.5 Flash$0.0292Claude Sonnet 5$0.0330Gemini 3.1 Pro$0.0390GPT 5.4$0.0488GPT 5.6 Terra$0.0488Claude Sonnet 4.6$0.0495Claude Opus 4.8$0.0825GPT 5.5$0.0975GPT 5.6 Sol$0.0975Claude Fable 5$0.1650

Cheapest viable option: Claude Sonnet 5 at $0.0330/call (80% less, 90/100 quality).

Complete Claude Fable 5 pricing breakdown

Standard token rates

Direction$/MTokTokens per call
Input$10.001,500
Output$50.003,000

Prompt caching: 90% off input tokens

Caching drops input cost from $10.00 to $1.00/MTok. For repeated system prompts, that saves $0.0135 per call.

Batch API: 50% off all tokens

Submit requests asynchronously and receive 50% off all token costs. This works best for offline pipelines where latency requirements are flexible.

Monthly cost projections

Monthly volumeCost per callStandard monthlyCached monthlyYou save with caching
10,000 calls$0.1650$1,650$1,515$135
50,000 calls$0.1650$8,250$7,575$675
100,000 calls$0.1650$16,500$15,150$1,350
500,000 calls$0.1650$82,500$75,750$6,750
1,000,000 calls$0.1650$165,000$151,500$13,500

Claude Fable 5 quality benchmarks for math reasoning

Use Claude Fable 5 for math reasoning

Scores 98/100 (rank #1 of 14). Strong pick for production math reasoning workloads.

Performance across all task types

Claude Fable 5 scores by task type. Math Reasoning highlighted.

Reasoning *98Code Generation96Code Review95Creative Writing95Summarization90Q&A88Extraction85Classification82
Task typeConfidence scoreRank out of 14
Reasoning(current page)98/100#1
Code Generation96/100#1
Code Review95/100#1
Creative Writing95/100#1
Summarization90/100#3
Q&A88/100#4
Extraction85/100#4
Classification82/100#5

Alternative models for math reasoning

8 models score 80+ on math reasoning benchmarks, sorted by input rate. Cheapest: Claude Sonnet 5 (80% less, 90/100 quality).

ModelProviderInput $/MTokOutput $/MTokQualityPer callvs Claude
Claude Sonnet 5Claude$2.00$10.0090/100$0.033080% cheaper
Gemini 3.1 ProGemini$2.00$12.0090/100$0.039076% cheaper
GPT 5.4GPT$2.50$15.0080/100$0.048870% cheaper
GPT 5.6 TerraGPT$2.50$15.0082/100$0.048870% cheaper
Claude Sonnet 4.6Claude$3.00$15.0088/100$0.049570% cheaper
Claude Opus 4.8Claude$5.00$25.0097/100$0.082550% cheaper
GPT 5.5GPT$5.00$30.0095/100$0.097541% cheaper
GPT 5.6 SolGPT$5.00$30.0096/100$0.097541% cheaper

About Claude Fable 5

Provider

Claude

Tier

Flagship

Context

1,000K tokens

Released

Jun 2026

Other models from Claude

ModelTierInput $/MTokOutput $/MTokContext
Claude Opus 4.8Flagship$5.00$25.00200K
Claude Sonnet 4.6Mid-tier$3.00$15.00200K
Claude Haiku 4.5Fast / Budget$1.00$5.00200K
Claude Sonnet 5Mid-tier$2.00$10.00200K

You can compare Claude Fable 5 head-to-head against any other model on our model comparison pages, or track how pricing has changed over time on the pricing history tracker.

Claude Fable 5 pricing for other use cases

See how Claude Fable 5 costs change across different workload types.

Code Generation

$0.2200/call

Unit Test Generation

$0.2800/call

SQL Generation

$0.0650/call

API Generation

$0.3300/call

Code Refactoring

$0.2400/call

Code Review

$0.1500/call

PR Review

$0.2300/call

Security Review

$0.1850/call

Bug Detection

$0.1500/call

Document Summarization

$0.1500/call

PDF Summarization

$0.2250/call

Meeting Notes

$0.1800/call

Email Summarization

$0.0550/call

Chatbot

$0.0700/call

RAG Pipeline

$0.1350/call

Customer Support Bot

$0.0800/call

FAQ Bot

$0.0550/call

Data Extraction

$0.0900/call

JSON Extraction

$0.0700/call

Invoice Parsing

$0.0500/call

Resume Parsing

$0.0650/call

Chain of Thought

$0.2800/call

Legal Analysis

$0.3000/call

Financial Analysis

$0.2800/call

Content Moderation

$0.0100/call

Sentiment Analysis

$0.0100/call

Categorization

$0.0155/call

Intent Detection

$0.008000/call

Copywriting

$0.1050/call

Blog Writing

$0.4100/call

Marketing Copy

$0.1580/call

Product Descriptions

$0.0800/call

Related pages

Frequently asked questions

How much does Claude Fable 5 cost for math reasoning per API call?

$0.1650 per call at 1,500 input / 3,000 output tokens.

Is Claude Fable 5 the best model for math reasoning?

Scores 98/100, rank #1 of 14 models. Top-ranked for this task across all three providers.

What is the cheapest model for math reasoning with good quality?

Claude Sonnet 5 scores 90/100 quality at $2.00/$10.00 per MTok. That is 80% less than Claude Fable 5 per call.

How can I reduce my Claude Fable 5 costs for math reasoning?

Three strategies: prompt caching (90% off input), batch API (50% off all tokens), prompt optimization. Combined: $0.1650 drops to about $0.008250 per call.

How does Claude Fable 5 pricing compare to other Claude models?

Claude also offers: Claude Opus 4.8 at $5.00/$25.00, Claude Sonnet 4.6 at $3.00/$15.00, Claude Haiku 4.5 at $1.00/$5.00, Claude Sonnet 5 at $2.00/$10.00.

What context window does Claude Fable 5 support?

1,000K tokens total. Typical math reasoning calls use 1,500 plus 3,000 tokens, well within limits.

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