Best-value picks among Anthropic models, ranked live from artificialanalysis.ai.

Anthropic

42 models ranked · scored on Intelligence Index

Last updated

Metric
Capability
Every model, nothing filtered out
Best Value Pick

Claude Opus 5 (Adaptive Reasoning, High Effort)

48.2Intelligence Index
$1.23per task (est.)
$10/1M tokens

The sharpest bend in the price-to-score curve out of 42 models — extra dollars beyond this point buy noticeably less extra capability.

Highlights

Bar shade = effort level (lighter → darker = less → more effort)NR = Non-reasoning   Mn = Minimal   L = Low   M = Medium   H = High   XH = Xhigh   Max = Max effort

Intelligence

Artificial Analysis Intelligence Index · Higher is better

Claude Fable 5.1 (Adaptive Reasoning, Max Effort, Default Fallback)53.4Claude Fable 5.1 (Adaptive Reasoning, Xhigh Effort, Default Fallback)53.2Claude Fable 5.1 (Adaptive Reasoning, High Effort, Default Fallback)51.2Claude Opus 5 (Adaptive Reasoning, Max Effort)50.7Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 4.8 Fallback)49.7Claude Opus 5 (Adaptive Reasoning, Xhigh Effort)49.7Claude Fable 5.1 (Adaptive Reasoning, Medium Effort, Default Fallback)49.1Claude Opus 5 (Adaptive Reasoning, High Effort)48.2Claude Fable 5.1 (Adaptive Reasoning, Low Effort, Default Fallback)47Claude Opus 5 (Adaptive Reasoning, Medium Effort)45.1
Fable 5.1 (Max)
Fable 5.1 (XH)
Fable 5.1 (H)
Opus 5 (Max)
Fable 5 (Max)
Opus 5 (XH)
Fable 5.1 (M)
Opus 5 (H)
Fable 5.1 (L)
Opus 5 (M)

Value

score ÷ cost per task · Higher is better

Claude Sonnet 5 (Adaptive Reasoning, High Effort)100Claude Opus 5 (Adaptive Reasoning, High Effort)78.2Claude Opus 5 (Adaptive Reasoning, Medium Effort)75.3Claude Opus 5 (Adaptive Reasoning, Low Effort)74.7Claude Fable 5.1 (Adaptive Reasoning, High Effort, Default Fallback)50.9Claude Fable 5.1 (Adaptive Reasoning, Low Effort, Default Fallback)48.8Claude Fable 5.1 (Adaptive Reasoning, Medium Effort, Default Fallback)40.8Claude Opus 5 (Adaptive Reasoning, Max Effort)30.7Claude Opus 5 (Adaptive Reasoning, Xhigh Effort)20.1Claude Fable 5.1 (Adaptive Reasoning, Max Effort, Default Fallback)3.9Claude Fable 5.1 (Adaptive Reasoning, Xhigh Effort, Default Fallback)2.9Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 4.8 Fallback)0
Sonnet 5 (H)
Opus 5 (H)
Opus 5 (M)
Opus 5 (L)
Fable 5.1 (H)
Fable 5.1 (L)
Fable 5.1 (M)
Opus 5 (Max)
Opus 5 (XH)
Fable 5.1 (Max)
Fable 5.1 (XH)
Fable 5 (Max)

Cost per task

price × tokens used · Lower is better

Claude Sonnet 5 (Adaptive Reasoning, High Effort)$0.491Claude Opus 5 (Adaptive Reasoning, Low Effort)$1.10Claude Opus 5 (Adaptive Reasoning, High Effort)$1.23Claude Opus 5 (Adaptive Reasoning, Medium Effort)$1.23Claude Fable 5.1 (Adaptive Reasoning, Low Effort, Default Fallback)$2.37Claude Fable 5.1 (Adaptive Reasoning, High Effort, Default Fallback)$2.46Claude Fable 5.1 (Adaptive Reasoning, Medium Effort, Default Fallback)$2.98Claude Opus 5 (Adaptive Reasoning, Max Effort)$3.89Claude Opus 5 (Adaptive Reasoning, Xhigh Effort)$4.88Claude Fable 5.1 (Adaptive Reasoning, Max Effort, Default Fallback)$7.63Claude Fable 5.1 (Adaptive Reasoning, Xhigh Effort, Default Fallback)$7.78Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 4.8 Fallback)$7.78
Sonnet 5 (H)
Opus 5 (L)
Opus 5 (H)
Opus 5 (M)
Fable 5.1 (L)
Fable 5.1 (H)
Fable 5.1 (M)
Opus 5 (Max)
Opus 5 (XH)
Fable 5.1 (Max)
Fable 5.1 (XH)
Fable 5 (Max)

Tokens per task

cost per task ÷ price · Lower is better

Claude Opus 5 (Adaptive Reasoning, Low Effort)110kClaude Fable 5.1 (Adaptive Reasoning, Low Effort, Default Fallback)119kClaude Fable 5.1 (Adaptive Reasoning, High Effort, Default Fallback)123kClaude Opus 5 (Adaptive Reasoning, High Effort)123kClaude Opus 5 (Adaptive Reasoning, Medium Effort)123kClaude Sonnet 5 (Adaptive Reasoning, High Effort)123kClaude Fable 5.1 (Adaptive Reasoning, Medium Effort, Default Fallback)149kClaude Fable 5.1 (Adaptive Reasoning, Max Effort, Default Fallback)381kClaude Fable 5.1 (Adaptive Reasoning, Xhigh Effort, Default Fallback)389kClaude Opus 5 (Adaptive Reasoning, Max Effort)389kClaude Fable 5 (Adaptive Reasoning, Max Effort, Opus 4.8 Fallback)389kClaude Opus 5 (Adaptive Reasoning, Xhigh Effort)488k
Opus 5 (L)
Fable 5.1 (L)
Fable 5.1 (H)
Opus 5 (H)
Opus 5 (M)
Sonnet 5 (H)
Fable 5.1 (M)
Fable 5.1 (Max)
Fable 5.1 (XH)
Opus 5 (Max)
Fable 5 (Max)
Opus 5 (XH)

Price

(3 × input + output) ÷ 4 · The number that misleads

Claude Sonnet 5 (Adaptive Reasoning, High Effort)$4Claude Opus 5 (Adaptive Reasoning, Max Effort)$10Claude Opus 5 (Adaptive Reasoning, Xhigh Effort)$10Claude Opus 5 (Adaptive Reasoning, High Effort)$10Claude Opus 5 (Adaptive Reasoning, Medium Effort)$10Claude Opus 5 (Adaptive Reasoning, Low Effort)$10Claude Fable 5.1 (Adaptive Reasoning, Max Effort, Default Fallback)$20Claude Fable 5.1 (Adaptive Reasoning, Xhigh Effort, Default Fallback)$20Claude Fable 5.1 (Adaptive Reasoning, High Effort, Default Fallback)$20Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 4.8 Fallback)$20Claude Fable 5.1 (Adaptive Reasoning, Medium Effort, Default Fallback)$20Claude Fable 5.1 (Adaptive Reasoning, Low Effort, Default Fallback)$20
Sonnet 5 (H)
Opus 5 (Max)
Opus 5 (XH)
Opus 5 (H)
Opus 5 (M)
Opus 5 (L)
Fable 5.1 (Max)
Fable 5.1 (XH)
Fable 5.1 (H)
Fable 5 (Max)
Fable 5.1 (M)
Fable 5.1 (L)

Speed

Output tokens per second · Higher is better

Claude Fable 5.1 (Adaptive Reasoning, Max Effort, Default Fallback)70Claude Sonnet 5 (Adaptive Reasoning, High Effort)64Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 4.8 Fallback)64Claude Fable 5.1 (Adaptive Reasoning, Xhigh Effort, Default Fallback)63Claude Fable 5.1 (Adaptive Reasoning, High Effort, Default Fallback)56Claude Fable 5.1 (Adaptive Reasoning, Medium Effort, Default Fallback)53Claude Opus 5 (Adaptive Reasoning, Max Effort)52Claude Opus 5 (Adaptive Reasoning, Xhigh Effort)51Claude Opus 5 (Adaptive Reasoning, Low Effort)50Claude Fable 5.1 (Adaptive Reasoning, Low Effort, Default Fallback)50Claude Opus 5 (Adaptive Reasoning, High Effort)50Claude Opus 5 (Adaptive Reasoning, Medium Effort)49
Fable 5.1 (Max)
Sonnet 5 (H)
Fable 5 (Max)
Fable 5.1 (XH)
Fable 5.1 (H)
Fable 5.1 (M)
Opus 5 (Max)
Opus 5 (XH)
Opus 5 (L)
Fable 5.1 (L)
Opus 5 (H)
Opus 5 (M)
Sort by
#ModelValue score ÷ cost/taskIntelligenceCost / task price × tokensPrice $ / 1M
1Claude Sonnet 5 (Adaptive Reasoning, High Effort) Frontier
100
32$0.491 ~$4
2Claude Opus 5 (Adaptive Reasoning, High Effort) Best Value
78
48.2$1.23 ~$10
3Claude Opus 5 (Adaptive Reasoning, Medium Effort)
75
45.1$1.23 ~$10
4Claude Opus 5 (Adaptive Reasoning, Low Effort) Frontier
75
39.8$1.10$10
5Claude Fable 5.1 (Adaptive Reasoning, High Effort, Default Fallback)
51
51.2$2.46 ~$20
6Claude Fable 5.1 (Adaptive Reasoning, Low Effort, Default Fallback)
49
47$2.37$20
7Claude Fable 5.1 (Adaptive Reasoning, Medium Effort, Default Fallback)
41
49.1$2.98$20
8Claude Opus 5 (Adaptive Reasoning, Max Effort)
31
50.7$3.89 ~$10
9Claude Opus 5 (Adaptive Reasoning, Xhigh Effort)
20
49.7$4.88$10
10Claude Fable 5.1 (Adaptive Reasoning, Max Effort, Default Fallback)
4
53.4$7.63$20
11Claude Fable 5.1 (Adaptive Reasoning, Xhigh Effort, Default Fallback)
3
53.2$7.78 ~$20
12Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 4.8 Fallback)
0
49.7$7.78 ~$20
How this page works
Highlights shows the true top 10 models by intelligence - no per-company limit, so if one company genuinely has several of the top models right now, several of its models are shown. Ranked three ways - Intelligence, Price, and Speed - so you can see how the same lineup trades off against each other. Each model keeps one color across all three charts. Value (0-100) below that shows how much intelligence you get per dollar, scaled so the best value model shown scores 100 - tables sort by Value by default; click "Intelligence" or "Name" above one to sort by those instead. The three calculated columns are, in full: Cost / task = price per 1M tokens × tokens the model actually uses ÷ 1,000,000 Value = intelligence score ÷ cost per task Price = (3 × input + output) ÷ 4, per 1M tokens The Best Value Pick is the sharpest bend in the price-to-intelligence curve across every model in the category. The table also includes every other model on that same efficiency frontier (tagged Frontier) even if it didn't score high enough to crack the top 10 - a cheap, well-balanced model would otherwise be invisible no matter how the table is sorted. Use the Capability buttons to control how far down that list goes - All (default) filters nothing; Flagship keeps models within 10% of the best score, Strong within 20%, Broad within 50%. The Best Value Pick always stays visible regardless of which tier is selected. Click Update on a category page (or Update All on the home page) to refetch live data any time.