Claude Fable 5.1 vs MiMo-V2.5-Pro: Release Comparison

Comparison of the Claude Fable 5.1 and MiMo-V2.5-Pro releases: 5 and 2 models respectively, each with different intelligence, performance, and pricing characteristics. Below is a comparison of the key metrics across all 7 models.

  • For intelligence, Claude Fable 5.1 scores highest: Claude Fable 5.1 (Adaptive Reasoning, Max Effort, Default Fallback) at 53, against MiMo-V2.5-Pro at 26 for MiMo-V2.5-Pro.
  • For output speed, Claude Fable 5.1 is fastest: Claude Fable 5.1 (Adaptive Reasoning, Max Effort, Default Fallback) at 65 t/s, against MiMo-V2.5-Pro at 45 t/s for MiMo-V2.5-Pro.
  • For cost per task, MiMo-V2.5-Pro is cheapest: MiMo-V2.5-Pro at $0.05, 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 v4.3.2 incorporates 10 evaluations: AA-Briefcase v1.1, GDPval-AA v2.1, 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 per Task (USD, Log Scale)

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 Indexes

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

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

Legal Index

Incorporates 7 evaluations: AA-Omniscience, GDPval-AA v2.1, AA-Briefcase v1.1, 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 v2.1, AA-Briefcase v1.1, 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 v2.1, AA-Briefcase v1.1, Terminal-Bench 4.0 · Higher is better

Economics Index

Incorporates 5 evaluations: AA-Omniscience, Humanity's Last Exam, GDPval-AA v2.1, AA-Briefcase v1.1, 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
56
60
60
58
56
63
$7.63
$7.2
$10.00
$50.00
$0.25
$13,129
78k
47k
188M
65
284.45s
284.45s
292.09s
742.47s
-
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
61
125.81s
125.81s
134.02s
617.87s
-
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
-
54
60
$3.91
$7.2
$10.00
$50.00
$0.25
$5,242
38k
19k
62M
56
26.22s
26.22s
35.13s
425.79s
-
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
51
54
57
-
51
58
$2.98
$7.2
$10.00
$50.00
$0.25
$3,983
28k
12k
44M
56
10.26s
10.26s
19.20s
310.86s
-
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
51
53
-
49
55
$2.37
$7.2
$10.00
$50.00
$0.25
$3,158
22k
8k
33M
56
6.65s
6.65s
15.56s
245.69s
-
1M
Sep 2026
-
Yes

Supports: text and image

Supports: text

Not available
-
Anthropic
MiMo-V2.5-Pro
Xiaomi logoXiaomi
26
27
20
30
26
29
41
$0.05
$0.2
$0.435
$0.87
$0.0036
$138
30k
18k
112M
45
5.81s
50.44s
61.59s
585.26s
1.0T
42B active at inference time
1M
Apr 2026
-
Yes

Supports: text

Supports: text

NovitaGMIDeepInfraXiaomi
MiMo-V2.5-Pro (Non-reasoning)
Xiaomi logoXiaomi
18
-
-
-
-
-
-
-
$0.2
$0.435
$0.87
$0.0036
-
-
-
-
45
5.04s
5.04s
16.22s
-
1.0T
42B active at inference time
1M
Apr 2026
-
No

Supports: text

Supports: text

GMIDeepInfraXiaomiNovita