Claude Opus 4.8 vs Grok 4.5
Rank, tier, score and price side by side, from our weekly rankings. Scores are editorial opinion based on public sources.
A
Claude Opus 4.8
B
Grok 4.5
- ProviderAnthropicxAI
- Rank#21Higher rank#24
- TierAA
- Score84.7Higher score83.8
- Price$5 / $25 per 1M tokens (in/out)API $2 input / $6 output per 1M tokens (prompts under 200K; $4 / $12 above); also in Grok subscriptionsLower price tier
- TaglineAn earlier Anthropic Opus release (May 2026), strong across coding, reasoning and long-context knowledge work; since followed by Opus 5 and 5.5.xAI's 2026 frontier release pairing native tool use with real-time search.
| Attribute | Claude Opus 4.8 | Grok 4.5 |
|---|---|---|
| Provider | Anthropic | xAI |
| Rank | #21Higher rank | #24 |
| Tier | A | A |
| Score | 84.7Higher score | 83.8 |
| Price | $5 / $25 per 1M tokens (in/out) | API $2 input / $6 output per 1M tokens (prompts under 200K; $4 / $12 above); also in Grok subscriptionsLower price tier |
| Tagline | An earlier Anthropic Opus release (May 2026), strong across coding, reasoning and long-context knowledge work; since followed by Opus 5 and 5.5. | xAI's 2026 frontier release pairing native tool use with real-time search. |