Claude Fable 5.1 vs DeepSeek V4 Pro 0424: Release Comparison

Comparison of the Claude Fable 5.1 and DeepSeek V4 Pro 0424 releases: 5 and 3 models respectively, each with different intelligence, performance, and pricing characteristics. Below is a comparison of the key metrics across all 8 models.

  • For intelligence, Claude Fable 5.1 scores highest: Claude Fable 5.1 (Adaptive Reasoning, Max Effort, Default Fallback) at 53, against DeepSeek V4 Pro (Reasoning, Max Effort) at 31 for DeepSeek V4 Pro 0424.
  • For output speed, DeepSeek V4 Pro 0424 is fastest: DeepSeek V4 Pro (Non-reasoning) at 98 t/s, against Claude Fable 5.1 (Adaptive Reasoning, Max Effort, Default Fallback) at 66 t/s for Claude Fable 5.1.
  • For cost per task, DeepSeek V4 Pro 0424 is cheapest: DeepSeek V4 Pro (Reasoning, Max Effort) at $0.12, against Claude Fable 5.1 (Adaptive Reasoning, Low Effort, Default Fallback) at $2.37 for Claude Fable 5.1.

Releases compared

Intelligence

Artificial Analysis Intelligence Index

Artificial Analysis Intelligence Index v4.3 incorporates 10 evaluations: AA-Briefcase, GDPval-AA v2, AutomationBench-AA, Terminal-Bench 4.0, SciCode, Humanity's Last Exam, GDP.pdf, CritPt, AA-Omniscience, AA-LCR v1.1
Estimate (independent evaluation forthcoming)

Intelligence Index vs. Cost per Intelligence Index Task

Artificial Analysis Intelligence Index · Weighted average cost (USD) per Artificial Analysis Intelligence Index task
Most attractive quadrant
Claude Fable 5.1
Pareto line

Cost

Cost per Intelligence Index Task

Weighted average cost (USD) per Artificial Analysis Intelligence Index task, segmented by token type. Lower is better

Speed & Latency

Output Speed

Output tokens per second · Higher is better

Capability Scores

Capability Indices

Measures the performance of models on specific capabilities and industries
Finance & Accounting Index

Incorporates 7 evaluations: AA-Omniscience, GDPval-AA v2, AA-Briefcase, Humanity's Last Exam, AutomationBench-AA, AA-LCR v1.1, GDP.pdf · Higher is better

Strategy & Ops Index

Incorporates 6 evaluations: AA-Omniscience, GDPval-AA v2, AA-Briefcase, AutomationBench-AA, AA-LCR v1.1, GDP.pdf · Higher is better

Legal Index

Incorporates 7 evaluations: AA-Omniscience, GDPval-AA v2, AA-Briefcase, Humanity's Last Exam, AA-LCR v1.1, GDP.pdf, AutomationBench-AA · Higher is better

Healthcare & Medical Index

Incorporates 6 evaluations: AA-Omniscience, GDPval-AA v2, AA-Briefcase, MLCR-AA, Humanity's Last Exam, AutomationBench-AA · Higher is better

Engineering Index

Incorporates 6 evaluations: AA-Omniscience, Humanity's Last Exam, CritPt, GDPval-AA v2, AA-Briefcase, Terminal-Bench 4.0 · Higher is better

Economics Index

Incorporates 5 evaluations: AA-Omniscience, Humanity's Last Exam, GDPval-AA v2, AA-Briefcase, AA-LCR v1.1 · Higher is better

Further details

Input modality
Output modality
Weights
Provider Benchmarks
Claude Fable 5.1 (Adaptive Reasoning, Max Effort, Default Fallback)
Anthropic logoAnthropic
53
57
60
61
58
57
63
$7.63
$7.2
$10.00
$50.00
$0.25
$13,129
78k
47k
188M
66
234.98s
234.98s
242.56s
755.04s
-
1M
Sep 2026
-
Yes

Supports: text and image

Supports: text

Not available
-
Anthropic
Claude Fable 5.1 (Adaptive Reasoning, Xhigh Effort, Default Fallback)
Anthropic logoAnthropic
53
56
58
61
-
57
62
$5.98
$7.2
$10.00
$50.00
$0.25
$9,063
61k
34k
121M
58
85.53s
85.53s
94.12s
677.63s
-
1M
Sep 2026
-
Yes

Supports: text and image

Supports: text

Not available
-
Anthropic
Claude Fable 5.1 (Adaptive Reasoning, High Effort, Default Fallback)
Anthropic logoAnthropic
51
54
56
58
-
55
60
$3.91
$7.2
$10.00
$50.00
$0.25
$5,242
38k
19k
62M
51
12.45s
12.45s
22.32s
469.10s
-
1M
Sep 2026
-
Yes

Supports: text and image

Supports: text

Not available
-
Anthropic
Claude Fable 5.1 (Adaptive Reasoning, Medium Effort, Default Fallback)
Anthropic logoAnthropic
49
52
54
57
-
52
58
$2.98
$7.2
$10.00
$50.00
$0.25
$3,983
28k
12k
44M
51
7.47s
7.47s
17.31s
333.43s
-
1M
Sep 2026
-
Yes

Supports: text and image

Supports: text

Not available
-
Anthropic
Claude Fable 5.1 (Adaptive Reasoning, Low Effort, Default Fallback)
Anthropic logoAnthropic
47
49
52
54
-
49
55
$2.37
$7.2
$10.00
$50.00
$0.25
$3,158
22k
8k
33M
50
5.13s
5.13s
15.04s
280.39s
-
1M
Sep 2026
-
Yes

Supports: text and image

Supports: text

Not available
-
Anthropic
DeepSeek V4 Pro (Reasoning, Max Effort)
DeepSeek logoDeepSeek
31
35
40
34
33
32
38
$0.12
$0.2
$0.435
$0.87
$0.0036
$277
49k
33k
212M
88
1.61s
51.26s
56.93s
393.43s
1.6T
49B active at inference time
1M
Apr 2026
-
Yes

Supports: text

Supports: text

DeepInfraMicrosoft AzureNovita
+6
DeepSeek V4 Pro (Reasoning, High Effort)
DeepSeek logoDeepSeek
30
-
-
-
-
-
-
-
$0.2
$0.435
$0.87
$0.0036
-
-
-
-
93
1.71s
23.16s
28.54s
-
1.6T
49B active at inference time
1M
Apr 2026
-
Yes

Supports: text

Supports: text

DeepInfraMicrosoft AzureDeepSeek
+5
DeepSeek V4 Pro (Non-reasoning)
DeepSeek logoDeepSeek
21
-
-
-
-
-
-
-
$0.2
$0.435
$0.87
$0.0036
-
-
-
-
98
1.57s
1.57s
6.67s
-
1.6T
49B active at inference time
1M
Apr 2026
-
No

Supports: text

Supports: text

Microsoft AzureBitdeer AINebius
+2