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 Jul 2, 2026
MODELPRICEWATCH.COM · 2026-08-09
Overview
Anthropic's flagship Mythos-class model for ambitious, long-running work — strong at coding, knowledge work, vision, and computer use, with a 1M-token context window and up to 128K output tokens. $10/$50 per 1M tokens (90% prompt-caching discount on input).
Capabilities
struck through = not supportedInput 2/5
Text ✓
Image ✓
Audio
Video
PDF
Output 1/5
Text ✓
Image
Audio
Video
Embedding
Features 4/9
Prompt caching ✓
Reasoning ✓
Coding
Fast inference
Long context ✓
Open weights
Multimodal ✓
Web search
Realtime
Benchmark performance
accuracy % · higher is betterAvg benchmark score89.2%
Perf per $/Mtok4.5
GPQA Diamond
94.1%
SWE-Bench Verified
95%
Terminal-Bench 2.1
84.3%
MCP Atlas
83.3%
BrowseComp
88%
OSWorld-Verified
85%
HumanEval
95%
AutoBench *
17.4%
Independent composite scores
- AA Intelligence Index: 62.1 (Artificial Analysis composite across reasoning, knowledge and coding evals)
- AA Agentic Index: 56.6 (Tool use, planning, autonomy)
- AA-Omniscience Index: 43.3 (−100–100)
- GDPval-AA v2: 1742.4 ELO (Real-world work tasks, human baseline = 1000)
- LMSYS Chatbot Arena: 1507.3 ELO (Human preference)
How it stacks up
- Ranks #3 of 67 benchmarked models by average score
- Ranks #3 of 150 comparably-measured models by percentile score, across 12 independent measurements
- Ranks #140 of 150 comparably-tested models by normalized performance per dollar
- Strongest at OSWorld-Verified — 85%, #1 of 15
Source: Vellum LLM Leaderboard · updated Aug 9, 2026 · See full rankings →
Specifications
- Provider
- Anthropic
- Context window
- 1M tokens
- Modality
- text, image
- Parameters
- Proprietary
- Open source
- No — proprietary
- Released
- Jun 9, 2026
- Status
- Current
- Last updated
- Jul 2, 2026
- Tags
Availability verified: Aug 3, 2026 — listed on Anthropic's own page