Claude Mythos 5.2 Fast API Pricing
- Input / output
- $16.00 / $80.00 per 1M tokens
- Cache read
- $0.40 / 1M
- Context
- 1M tokens
- Max output
- 128K tokens
As of November 10, 2026, Claude Mythos 5.2 Fast costs $16.00 per 1M input tokens and $80.00 per 1M output tokens on Azure AI Foundry, with cache reads at $0.40 and cache writes at $20.00 per 1M tokens. It has a 1,000,000-token context window and returns up to 128,000 tokens per response.
Claude Mythos 5.2 Fast pricing by provider
1 listing across 1 provider. Token prices are in US dollars per 1M tokens. The highlighted row is the price quoted above.
| Provider | Model name in LiteLLM | Input | Output | Cache read | Cache write | Context |
|---|---|---|---|---|---|---|
| Azure AI Foundry | azure_ai/claude-mythos-5-2-fast | $16.00 | $80.00 | $0.40 | $20.00 | 1M |
Other Claude Mythos 5.2 Fast prices on Azure AI Foundry
| Cache write, 1 hour | $32.00 per 1M tokens |
| Web search | $10.00 per 1K searches |
What Claude Mythos 5.2 Fast costs in practice
1,000 requests with 2,000 input and 500 output tokens each
| Azure AI Foundry | $72.00 |
100 long-document requests with 100,000 input and 2,000 output tokens each
| Azure AI Foundry | $176.00 |
Claude Mythos 5.2 Fast cost calculator
At Azure AI Foundry's price ($16.00 input, $80.00 output per 1M tokens), 10,000 requests a day with 1,000 input and 500 output tokens each cost $560 a day, about $16,800 a month. Change the numbers for your workload, or compare it with other models.
- Per request
- $0.056
- Per day
- $560
- Per month (30 days)
- $16,800
Claude Mythos 5.2 Fast features
Input: text, image, pdf. Output: text.
- Function calling
- Structured output
- Image input
- PDF input
- Reasoning
- Prompt caching
- Computer use
Use Claude Mythos 5.2 Fast with LiteLLM
Call Claude Mythos 5.2 Fast through the LiteLLM Python SDK, or put it behind the LiteLLM proxy and send OpenAI-format requests to /v1/chat/completions. LiteLLM tracks the cost of every request at these prices.
from litellm import completion
response = completion(
model="azure_ai/claude-mythos-5-2-fast",
messages=[{"role": "user", "content": "Hello!"}],
)model_list:
- model_name: claude-mythos-5-2-fast
litellm_params:
model: azure_ai/claude-mythos-5-2-fast
# credentials: see the provider's LiteLLM docs pagecurl http://0.0.0.0:4000/v1/chat/completions \
-H "Content-Type: application/json" \
-H "Authorization: Bearer $LITELLM_API_KEY" \
-d '{
"model": "claude-mythos-5-2-fast",
"messages": [{"role": "user", "content": "Hello!"}]
}'Claude Mythos 5.2 Fast FAQ
How much does Claude Mythos 5.2 Fast cost?
Claude Mythos 5.2 Fast costs $16.00 per 1M input tokens and $80.00 per 1M output tokens on Azure AI Foundry, with cache reads at $0.40 and cache writes at $20.00 per 1M tokens.
What is the context window of Claude Mythos 5.2 Fast?
Claude Mythos 5.2 Fast has a 1,000,000-token context window and returns up to 128,000 tokens per response.
Which providers offer Claude Mythos 5.2 Fast?
Claude Mythos 5.2 Fast is available from Azure AI Foundry through LiteLLM, using the model name azure_ai/claude-mythos-5-2-fast.
How do I call Claude Mythos 5.2 Fast with an OpenAI-compatible API?
Use the LiteLLM Python SDK with model="azure_ai/claude-mythos-5-2-fast", or add the model to the LiteLLM proxy's config.yaml and send requests to /v1/chat/completions from any OpenAI client. LiteLLM tracks the cost of every request at the prices on this page.
What features does Claude Mythos 5.2 Fast support?
Claude Mythos 5.2 Fast supports function calling, structured output, image input, PDF input, reasoning, prompt caching and computer use.
When did LiteLLM add Claude Mythos 5.2 Fast?
Claude Mythos 5.2 Fast was added to LiteLLM's model price file on November 10, 2026.
Sources
Prices come from LiteLLM's open-source model_prices_and_context_window.json, which LiteLLM uses to calculate the cost of every request. Maintainers update it from each provider's published pricing, and this page is usually rebuilt within 20 minutes of every change. Provider pricing pages:
LiteLLM docs: Azure AI Foundry.
Provider pages: Azure AI Foundry.