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AI Model Arena / Writing PRDs

Best AI Models for Writing PRDs

Product requirements documents reward deep reasoning, structure, and the ability to hold a lot of context. These models rank highest for drafting and refining PRDs.

The PM Index is 70% the Artificial Analysis Intelligence Index, 20% the Agentic Index, and 10% the Coding Index, on the same 0 to 100 scale.

This list turns up the Artificial Analysis Intelligence Index (1), the Agentic Index (0.3), and the Coding Index (0.1). A lower list price ranks higher here (list-price tilt 0.2).

Top pick
Gemini 4 Carbon (High)
Intelligence 59.4 · list $8.00/1M
Lowest list price
GPT-6.1 Terra (Max)
Intelligence 51.0 · list $2.00/1M
#ModelIntelligenceList $/1M
1Gemini 4 Carbon (High)
Google
59.4$8.00
2Claude Opus 5.5 (Max)
Anthropic
58.4$8.00
3GPT-6.1 Sol (Max)
OpenAI
54.5$4.00
4Claude Sonnet 5.5 (Max)
Anthropic
54.2$4.00
5GPT-6.1 Terra (Max)
OpenAI
51.0$2.00
6Muse Wonder Full (Max)
Meta
49.7—
7Gemini 4 Argon (High)
Google
50.4$8.00
8GPT-6 Astra (Max)
OpenAI
56.9$20.00
9Kimi K3.1 Pro
Kimi
46.0$4.00
10Muse Wonder (Max)
Meta
43.3$8.00
11Claude Fable 5.1 (Xhigh)
Anthropic
49.7$20.00
12Claude Haiku 5.5 (Max)
Anthropic
36.2$0.20
13Muse Spark 1.3 (Max)
Meta
36.4$2.00
14Grok 4.7 (High)
SpaceXAI
35.0$3.00
15DeepSeek V4.1 Flash 1017 (Max)
DeepSeek
32.5$0.52
16Qwen3.8 Max (0902)
Alibaba
33.6$3.00
17GLM-5.3 (Max)
Z AI
31.7$2.15
18Gemini 3.8 Flash (High)
Google
30.5$1.50
19MiMo-V2.6-Pro
Xiaomi
29.9$0.54
20MiniMax-M3.1-Flash
MiniMax
28.9$0.26
21GPT-6 Luna (Max)
OpenAI
27.8$0.20
22Step 5 Preview
StepFun
28.5$1.43
23MiMo-V2.6-Flash
Xiaomi
26.7$0.18
24Mistral Large 4 (High)
Mistral
26.0$1.05
25Mistral Large 4 Preview
Mistral
25.3$2.06
26Muse Spark Open (Xhigh)
Meta
24.7$2.00
27DeepSeek V4 Pro 0813 (Max)
DeepSeek
23.1$1.98
28Qwen3.8 27B (Xhigh)
Alibaba
20.1$1.13
29MiniMax-M3
MiniMax
18.7$0.52
30Gemini 3.5 Flash-Lite
Google
11.7$0.85
31Nemotron 3 Ultra 550B A55B (Reasoning)
NVIDIA
11.8$1.13
32Command A+
Cohere
6.2$0.00
33Muse Glimmer (High)
Meta
6.3$0.52
34NVIDIA Nemotron 3 Nano 4B
NVIDIA
1.8—
35Claude 3.5 Haiku
Anthropic
——
36Command-R+ (Apr '24)
Cohere
——
37ERNIE 4.5 300B A47B
Baidu
——
38ERNIE 5.0 Thinking Preview
Baidu
——
39Exaone 4.0 1.2B (Non-reasoning)
LG AI Research
——
40EXAONE 4.0 32B (Non-reasoning)
LG AI Research
——
41EXAONE 4.5 33B (Non-reasoning)
LG AI Research
——
42GLM-4.5 (Reasoning)
Z AI
——
43GLM-5-Turbo
Z AI
——
44Granite 3.3 8B (Non-reasoning)
IBM
——
45Granite 4.0 350M
IBM
——
46Granite 4.0 Micro
IBM
——
47Granite 4.2 30B
IBM
——
48Grok 4.1 Fast (Reasoning)
SpaceXAI
——
49Jamba 1.6 Large
AI21 Labs
——
50Jamba 1.7 Large
AI21 Labs
——
51Jamba 1.7 Mini
AI21 Labs
——
52K-EXAONE (Reasoning)
LG AI Research
——
53K-EXAONE 2.0 0803
LG AI Research
——
54Kimi Linear 48B A3B Instruct
Kimi
——
55Llama 3.3 Nemotron Super 49B v1 (Reasoning)
NVIDIA
——
56Llama Nemotron Super 49B v1.5 (Non-reasoning)
NVIDIA
——
57Magistral Small 1
Mistral
——
58MiMo-V2-Flash (Feb 2026)
Xiaomi
——
59MiniMax M1 40k
MiniMax
——
60Mistral Medium 3.1
Mistral
——
61Phi-3 Mini Instruct 3.8B
Microsoft
——
62Qwen3 0.6B (Non-reasoning)
Alibaba
——
63Qwen3.5 2B (Non-reasoning)
Alibaba
——
64R1 1776
Perplexity
——
65Solar Open 100B (Reasoning)
Upstage
——
66Solar Pro 2 (Non-reasoning)
Upstage
——
67Solar Pro 2 (Preview) (Non-reasoning)
Upstage
——
68Sonar
Perplexity
——
69Sonar Pro
Perplexity
——
70Sonar Reasoning
Perplexity
——
71Sonar Reasoning Pro
Perplexity
——
72Tiny Aya Global
Cohere
—$0.00
73Granite 4.2 3B
IBM
—$0.05
74Nova Micro
Amazon
—$0.06
75NVIDIA Nemotron 3 Nano 30B A3B (Non-reasoning)
NVIDIA
—$0.09
76Hy3-preview (Reasoning)
Tencent
—$0.10
77Nova Lite
Amazon
—$0.10
78Phi-4 Mini Instruct
Microsoft
—$0.13
79Step 3.5 Flash
StepFun
—$0.15
80Step 3.5 Flash 2603
StepFun
—$0.15
81GLM-4.7-Flash (Reasoning)
Z AI
—$0.15
82MiMo-V2.5
Xiaomi
—$0.17
83Solar Mini 4
Upstage
—$0.18
84Phi-4
Microsoft
—$0.22
85GLM-5.3-Flash
Z AI
—$0.24
86Hy3
Tencent
—$0.24
87Jamba 1.5 Mini
AI21 Labs
—$0.25
88Mistral Small 4 (Non-reasoning)
Mistral
—$0.26
89DeepSeek V3.2 Exp (Non-reasoning)
DeepSeek
—$0.32
90Step 3.7 Flash
StepFun
—$0.44
91MiniMax-M2.1
MiniMax
—$0.52
92MiniMax-M2.5
MiniMax
—$0.52
93Solar Pro 4
Upstage
—$0.52
94MiMo-V2.5-Pro (Reasoning)
Xiaomi
—$0.56
95Nova 2.0 Lite (High)
Amazon
—$0.85
96Kimi K2
Kimi
—$1.00
97Qwen3.5 122B A10B (Non-reasoning)
Alibaba
—$1.10
98Grok Build 0.1 0616
SpaceXAI
—$1.25
99Nova Pro
Amazon
—$1.40
100Kimi K2.6 (Reasoning)
Kimi
—$1.71
101DeepSeek V3.1 Terminus (Reasoning)
DeepSeek
—$1.91
102DeepSeek R1 (Jan '25)
DeepSeek
—$2.50
103Grok 4.20 0309 (Reasoning)
SpaceXAI
—$3.00
104Gemini 3.5 Flash (High)
Google
—$3.38
105Nova 2.0 Pro Preview (Medium)
Amazon
—$3.44
106Jamba 1.5 Large
AI21 Labs
—$3.50
107GPT-6 Sol (Low)
OpenAI
—$4.00
108Grok 3
SpaceXAI
—$6.00
109Kimi K3 (Low)
Kimi
—$6.00

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Other PM use cases

  • Product Roadmaps
  • User Stories & Acceptance Criteria
  • Stakeholder & Exec Updates
  • Competitive Analysis
  • Data Analysis & SQL
  • Prototyping & Vibe-Coding
  • Meeting Notes & Summaries
Benchmark and pricing data: Artificial Analysis. This page reweights Artificial Analysis scores for writing prds. List price is the blended sticker rate, not the cost of a task.