PickAIModel.com - Compare DeepSeek V4 Pro (Max) and GPT-5.5
DeepSeek V4 Pro (Max) vs GPT-5.5: pricing, Quality, Value, and benchmarks
Side-by-side buyer comparison built from the current published top 10 snapshot. Quality and Value stay deterministic, while editorial verdict excerpts remain clearly AI-labeled.
Verified evidenceVerified evidence
DeepSeek V4 Pro (Max) Quality
79.1
GPT-5.5 Quality
86.0
Quality delta
-6.9GPT-5.5 leads
Value delta
+42.4DeepSeek V4 Pro (Max) leads
Buyer summary
GPT-5.5 leads Quality by 6.9 points. DeepSeek V4 Pro (Max) leads Value by 42.4 points.
Snapshot freshness
Snapshot May 5, 2026. Both pages link back to the same published roster and methodology, so the comparison stays on one deterministic evidence set.
Consumer plan pricing is grounded in the current official vendor plan page.
Verified vendor fact
Hosted app availability is grounded in the current official vendor surface.
Deterministic scores
Quality and Value comparison
DeepSeek V4 Pro (Max)
Q 79.1
V 70.1
Quality rank 4 and value rank 1 in the current published roster.
GPT-5.5
Q 86.0
V 27.7
Quality rank 3 and value rank 6 in the current published roster.
Buyer access
Pricing, app access, and Conversation Value
DeepSeek V4 Pro (Max)
Verified vendor fact3K tokens/chat
DeepSeek API: pay as you go
Free tier
Hosted app: DeepSeek
GPT-5.5
Verified vendor fact3K tokens/chat
ChatGPT Plus: $20/month
~333 chats
Hosted app: ChatGPT
Benchmark evidence
DeepSeek V4 Pro (Max)
Verified May 5, 2026
Humanity's Last Exam
Pass@1
37.7%
NVIDIA DeepSeek V4 Pro model card | NVIDIA-hosted model card row for DeepSeek V4 Pro Max; use as sourced provisional benchmark evidence.
GPQA Diamond
Pass@1
90.1%
NVIDIA DeepSeek V4 Pro model card | NVIDIA-hosted model card row for DeepSeek V4 Pro Max; use as sourced provisional benchmark evidence.
SWE-Bench Pro
Software engineering task resolution
55.4%
BenchLM AI coding leaderboard | BenchLM May 1, 2026 coding leaderboard row for DeepSeek V4 Pro (Max).
MRCR v2
1M long-context
83.5%
NVIDIA DeepSeek V4 Pro model card | NVIDIA-hosted model card row for DeepSeek V4 Pro Max.
Benchmark evidence
GPT-5.5
Verified May 1, 2026
Humanity's Last Exam
Normalized quality input
41.4%
OpenAI GPT-5.5 announcement | OpenAI official GPT-5.5 launch row; HLE no-tools result is vendor-reported.
SWE-Bench Pro
Software engineering task resolution
58.6%
OpenAI GPT-5.5 announcement | OpenAI official GPT-5.5 launch row; SWE-Bench Pro result is vendor-reported pending exact current Scale leaderboard coverage.
GPQA Diamond
Graduate-level science question answering
93.6%
OpenAI GPT-5.5 announcement | OpenAI official GPT-5.5 launch row; GPQA Diamond result is vendor-reported.
MRCR v2
128k retrieval
87.5%
OpenAI GPT-5.5 announcement | OpenAI official GPT-5.5 launch row; MRCR v2 128K-256K result is vendor-reported.
Editorial excerpt
DeepSeek V4 Pro (Max)
AI-assisted, editorially reviewed
DeepSeek V4 Pro (Max) is published here because it has sourced SWE-Bench Pro evidence and a sourced DeepSeek V4 Pro model record.
DeepSeek V4 Pro (Max) is included in the coding leaderboard because current public sources attach it to SWE-Bench Pro, LiveCodeBench, and related coding-agent benchmarks. Treat the row as benchmark evidence first; regulated and sensitive deployments should review DeepSeek policy, hosting, and data controls before use.
Editorial excerpt
GPT-5.5
AI-assisted, editorially reviewed
OpenAI’s GPT-5.5 is the best all-round AI subscription for buyers who want one powerful assistant that can do far more than answer questions. It combines polished writing, sharp research, coding help, data analysis, document creation, tool use, and superb built-in image generation inside one familiar workspace. Its biggest upgrade over GPT-5.4 is follow-through: it is better at taking messy, multi-step requests and turning them into finished work with less hand-holding. For non-technical users who want the most complete, capable, and easy-to-live-with AI experience, GPT-5.5 is the safest premium choice.
GPT-5.5 sits inside the best complete AI workspace: writing, research, coding help, data analysis, documents, spreadsheets, tool use, and now very strong built-in image generation. OpenAI’s own release notes describe GPT-5.5 as built to understand complex goals, use tools, check its work, and carry multi-step tasks through to completion. ChatGPT Images 2.0 also adds stronger image generation, better text rendering, multilingual support, flexible visual styles, and more advanced creative control.
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