DeepSeek V4 Pro vs Claude Mythos Preview
Rank, tier, score and price side by side, from our weekly rankings. Scores are editorial opinion based on public sources.
A
DeepSeek V4 Pro
B
Claude Mythos Preview
- ProviderDeepSeekAnthropic
- Rank#30Higher rank#33
- TierAA
- Score83.0Higher score82.4
- PriceAPI $1.32 input / $3.96 output per 1M tokens at peak hours ($0.66 / $1.98 off-peak); MIT open weightsLower price tierInvite-only via Project Glasswing; $25 input / $125 output per 1M tokens after credits
- TaglineMIT-licensed open-weight heavyweight, among the open-weight leaders on SWE-bench Verified and LiveCodeBench.Anthropic's invite-only cybersecurity research preview offered through Project Glasswing, deprecated on the Claude API since June 2026.
| Attribute | DeepSeek V4 Pro | Claude Mythos Preview |
|---|---|---|
| Provider | DeepSeek | Anthropic |
| Rank | #30Higher rank | #33 |
| Tier | A | A |
| Score | 83.0Higher score | 82.4 |
| Price | API $1.32 input / $3.96 output per 1M tokens at peak hours ($0.66 / $1.98 off-peak); MIT open weightsLower price tier | Invite-only via Project Glasswing; $25 input / $125 output per 1M tokens after credits |
| Tagline | MIT-licensed open-weight heavyweight, among the open-weight leaders on SWE-bench Verified and LiveCodeBench. | Anthropic's invite-only cybersecurity research preview offered through Project Glasswing, deprecated on the Claude API since June 2026. |