Scheduled for retirement on Sep 1, 2027. Still available at the prices below until then.
Context
1M
Max output
128K
Serving providers
2
Cheapest input
$10.00 /1M
On-demand listed rates, OpenRouter routed quotes and Vercel reseller quotes. Enterprise commitments (committed-use discounts, provisioned throughput, negotiated rates) can be materially lower.
Pricing by serving provider
standard tier · per 1M tokens · click a provider to expand| Serving provider | Input /1M | Output /1M | Endpoints | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AnthropicCheapest | $10.00 | $50.00 | 1 | |||||||||||||||||||||
Standardclaude-mythos-5-1
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| Amazon Bedrock | $10.00 | $50.00 | 1 | |||||||||||||||||||||
Standardanthropic.claude-mythos-5-1
| ||||||||||||||||||||||||
Price history
listed seller prices, input and output per 1M tokens Input Output
Cost calculator
estimate your monthly spend on this model$6,000
estimated / month
Model IDs
copy the exact identifier for your platformclaude-mythos-5-1anthropic.claude-mythos-5-1
Frequently asked questions
Claude Mythos 5.1 pricing, context and availabilityIs Claude Mythos 5.1 still available?
Yes. Claude Mythos 5.1 is scheduled for retirement on 2027-09-01.
How much does Claude Mythos 5.1 cost?
Claude Mythos 5.1 costs $10.00 per 1M input tokens from Anthropic, and $50.00 per 1M output tokens from Anthropic.
What is the context window of Claude Mythos 5.1?
Claude Mythos 5.1 accepts up to 1M tokens of context and can return up to 128K output tokens.
Which providers serve Claude Mythos 5.1?
Claude Mythos 5.1 is available from 2 serving providers, each with its own pricing and model ID. Anthropic is currently the cheapest.
What can Claude Mythos 5.1 do?
Claude Mythos 5.1 supports image input (vision), tool use, reasoning, prompt caching and structured output.
Other Anthropic models
compare pricing across the Anthropic lineupClaude Haiku 4.5$1.00/1M · 11 providersClaude Sonnet 5$2.00/1M · 9 providersClaude Sonnet 4.6$3.00/1M · 9 providersClaude Opus 5$5.00/1M · 9 providersClaude Fable 5$10.00/1M · 9 providersClaude Sonnet 4.5$3.00/1M · 8 providersClaude Opus 4.7$5.00/1M · 8 providersClaude Opus 4.8$5.00/1M · 8 providers
Listed prices from LiteLLM, OpenRouter and Vercel · last checked Oct 14, 2026
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