Claude Opus 5 vs Claude Fable 5.1
Rank, tier, score and price side by side, from our weekly rankings. Scores are editorial opinion based on public sources.
A
Claude Opus 5
B
Claude Fable 5.1
- ProviderAnthropicAnthropic
- Rank#8#7Higher rank
- TierSS
- Score88.091.1Higher score
- PriceAPI $5 input / $25 output per 1M tokens; listed as a legacy model in Claude plansAPI $10 input / $50 output per 1M tokens; Claude Pro and Max via usage credits, Team and Enterprise
- TaglineAnthropic's previous-generation Opus model (July 2026), succeeded by Opus 5.5 in September 2026, with adaptive reasoning effort levels.Anthropic's Fable 5 point release, tied at the top of the Artificial Analysis Intelligence Index.
| Attribute | Claude Opus 5 | Claude Fable 5.1 |
|---|---|---|
| Provider | Anthropic | Anthropic |
| Rank | #8 | #7Higher rank |
| Tier | S | S |
| Score | 88.0 | 91.1Higher score |
| Price | API $5 input / $25 output per 1M tokens; listed as a legacy model in Claude plans | API $10 input / $50 output per 1M tokens; Claude Pro and Max via usage credits, Team and Enterprise |
| Tagline | Anthropic's previous-generation Opus model (July 2026), succeeded by Opus 5.5 in September 2026, with adaptive reasoning effort levels. | Anthropic's Fable 5 point release, tied at the top of the Artificial Analysis Intelligence Index. |