ModelPriceWatch.com
Last scan 2026-09-23 Models tracked 270 Providers 35 Cheapest paid Granite 4.0 H Micro $0.017/Mtok in Every price links to its source

Claude Mythos 5

by Anthropic

Current flagship expensive tier
Availability: Reportedly suspended in June 2026 under a US export-control directive — availability unconfirmed. Verify with Anthropic before relying on it.

Today's price · per 1M tokens

Input

$10.00

per 1M tokens

Output

$50.00

per 1M tokens

Blended

$20.00

blended $/1M — 3:1 weighted input:output

Cached input

$1.00

10% of input — prompt caching

Source: official Anthropic pricing · read MODELPRICEWATCH.COM · 2026-09-23

Price receipt

We read Anthropic's own pricing page on and found Claude Mythos 5 (limited availability) listed with a price on the same row — that read is where the number above comes from. We keep the page text we read; its content hash is 0a25039da1.

Overview

Anthropic Claude Mythos 5. Limited availability (Glasswing program). $10/$50 per 1M tokens.

Capabilities

struck through = not supported
Input 2/4
Text Image Audio Video
Output
Text
Features 4/9
Prompt caching Reasoning Coding Fast inference Long context Open weights Multimodal Web search Realtime

Benchmark performance

accuracy % · higher is better
Avg benchmark score87.5%
Perf per $/Mtok4.4
GPQA Diamond
94.1%
SWE-Bench Verified
95.5%
Terminal-Bench 2.1
88%
Humanity's Last Exam
64.5%
HumanEval
95.5%
How it stacks up
  • Ranks #3 of 96 benchmarked models by average score
  • Ranks #5 of 187 comparably-measured models by percentile score, across 5 independent measurements
  • Ranks #173 of 187 comparably-tested models by normalized performance per dollar
  • Strongest at Humanity's Last Exam — 64.5%, #2 of 77

Source: Vellum LLM Leaderboard · updated · See full rankings →

Specifications

Provider
Anthropic
Context window
1M tokens
Modality
text, image
Parameters
Proprietary
Open source
No — proprietary
Released
Status
Current
Last updated
Tags
flagshipreasoninglimited

Availability verified: listed on Anthropic's own page