Claude Mythos 5 Pricing - Cost Calculator

Track Claude Mythos 5 pricing with real-time alerts, compare providers, and monitor cost changes across frontier research and specialized AI workloads.

Claude Mythos 5 is a reasoning model from Anthropic, released 9 June 2026. It works across a 1,000,000-token context window and returns up to 128,000 tokens. Anthropic prices input between $5.00 and $10.00 per million tokens.

Last updated Sep 8, 2026

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Model Details

Released
Jun 9, 2026
Context Length
1,000,000
Max Output
128,000

Where is Claude Mythos 5 a perfect fit?

Claude Mythos 5 is Anthropic’s restricted-access frontier model, specifically positioned for advanced cybersecurity and biology research. It shares the same underlying capabilities as Claude Fable 5, but does not include Fable’s additional safety classifiers.
- Authorized cybersecurity research and vulnerability discovery
- Securing critical and systemically important software
- Advanced defensive security research through Project Glasswing
- Biology and healthcare research requiring frontier-level reasoning
- Long-horizon research and agentic workflows
- Complex software engineering and code analysis
- Scientific reasoning requiring extensive context and sustained work
- Approved dual-use research where Fable 5’s additional safeguards would restrict legitimate work

Quick Model Estimate

(USD 10.0000 per 1M tokens)
(USD 50.0000 per 1M tokens)

Your GPT-5 Cost Estimate

💰 Total Cost

USD 3.00

for 1000 input + 1000 output tokens

📥 Input (1000 × $10.000000) USD 1.5000
📤 Output (1000 × $50.000000) USD 1.5000

Cost Breakdown

📥 Input 50% 📤 Output 50%

Prices updated daily from official provider data.

Pricing

Provider ↕
Modality ↕
Service tier ↕
Input Price
(per 1M tokens) ↕
Output Price
(per 1M tokens) ↕
Context Size ↕
View
Anthropic LogoAnthropicTextStandard$10.0000$50.00001,000,000 tokens→
Anthropic LogoAnthropicTextBatch$5.0000$25.00001,000,000 tokens→

FAQs about Claude Mythos 5

How much does Claude Mythos 5 cost per 1M tokens?

Claude Mythos 5 costs between $5.00 and $10.00 per million input tokens, and between $25.00 and $50.00 per million output tokens. The range covers Standard and Batch pricing.

What does a typical workload cost with Claude Mythos 5?

1,000 requests of 2,000 input and 500 output tokens each — 2,000,000 input and 500,000 output tokens in total — costs $22.50 with Claude Mythos 5 at its lowest rates. Use the calculator on this page for your own volumes.

Where can I use Claude Mythos 5?

Claude Mythos 5 is available through Anthropic, from $5.00 per million input tokens.

Is there cheaper Claude Mythos 5 pricing than the standard rate?

Yes. Batch pricing for Claude Mythos 5 starts at $5.00 per million input tokens against $10.00 on the standard tier, about 50% lower.

What is Claude Mythos 5's context window?

Claude Mythos 5 has a context window of 1,000,000 tokens, and returns up to 128,000 tokens in a single response.