Claude Mythos 5 vs Grok 4.5
Side-by-side comparison of API pricing, specs, benchmarks, and capabilities
Grok 4.5 is 86.7% cheaper on blended cost ($4.00 vs $30.00/Mtok)
|
Aby Anthropic
|
Xby xAI
|
|
|---|---|---|
| Overview | ||
| Status | Current flagship | Current flagship |
| Released | Jun 9, 2026 | Jul 8, 2026 |
| Pricing per million tokens | ||
| Input | $10.00/Mtok | $2.00/Mtok |
| Output | $50.00/Mtok | $6.00/Mtok |
| Blended avg | $30.00/Mtok | $4.00/Mtok |
| Cached input | $1.00/Mtok | — |
| Specifications | ||
| Context window | 200K tokens | 500K tokens |
| Parameters | Proprietary | Proprietary |
| Speed (TPS) | — | — |
| Modalities | ||
| Input |
textimage
|
textimage
|
| Providers | ||
| Available from |
Anthropic — $10.00/$50.00/Mtok
|
xAI — $2.00/$6.00/Mtok
|
Cost at scale — 1M tokens (50/50 input/output)
| Volume | Claude Mythos 5 | Grok 4.5 | Savings |
|---|---|---|---|
| 1M tokens | $30 | $4 | $26 (86.7%) |
| 10M tokens | $300 | $40 | $260 (86.7%) |
| 100M tokens | $3000 | $400 | $2600 (86.7%) |
| 1000M tokens | $30000 | $4000 | $26000 (86.7%) |
Try Grok 4.5 on xAI
The cheaper option here — Grok 4.5 costs $4.00/Mtok blended on xAI.
Summary
Claude Mythos 5 by Anthropic costs $10.00/Mtok input and $50.00/Mtok output, with a 200K-token context window. It supports text, image input.
Grok 4.5 by xAI costs $2.00/Mtok input and $6.00/Mtok output, with a 500K-token context window. It supports text, image input.
On a blended cost basis, Grok 4.5 is 86.7% cheaper than Claude Mythos 5. It also has a larger context window.
Note: Pricing is per million tokens. Actual costs vary with usage patterns, prompt caching, and batch discounts. Always verify against official provider pricing pages.