DeepSeek V3.2 vs GPT-5.6 Luna
| Signal | DeepSeek V3.2 | Delta | GPT-5.6 Luna |
|---|---|---|---|
Capabilities | 67 | -33 | |
Benchmarks | 83 | -4 | |
Pricing | 100 | +0 | |
Context window size | 83 | -13 | |
Recency | 87 | -13 | |
Output Capacity | 80 | -5 | |
| Overall Result | 1 wins | of 6 | 5 wins |
Score History
81.3
current score
GPT-5.6 Luna
right now
89
current score
DeepSeek V3.2
DeepSeek
GPT-5.6 Luna
OpenAI
GPT-5.6 Luna saves you $6.90/month
That's $82.80/year compared to DeepSeek V3.2 at your current usage level of 100K calls/month.
| Metric | DeepSeek V3.2 | GPT-5.6 Luna | Winner |
|---|---|---|---|
| Overall Score | 81 | 89 | GPT-5.6 Luna |
| Rank | #81 | #34 | GPT-5.6 Luna |
| Quality Rank | #81 | #34 | GPT-5.6 Luna |
| Adoption Rank | #81 | #34 | GPT-5.6 Luna |
| Parameters | -- | -- | -- |
| Context Window | 164K | 1050K | GPT-5.6 Luna |
| Pricing | $0.27/$0.40/M | $0.10/$0.60/M | -- |
| Signal Scores | |||
| Capabilities | 67 | 100 | GPT-5.6 Luna |
| Benchmarks | 83 | 88 | GPT-5.6 Luna |
| Pricing | 100 | 99 | DeepSeek V3.2 |
| Context window size | 83 | 96 | GPT-5.6 Luna |
| Recency | 87 | 100 | GPT-5.6 Luna |
| Output Capacity | 80 | 85 | GPT-5.6 Luna |
Our score (0-100) is driven by benchmark performance (90%) from Arena Elo ratings, MMLU, GPQA, HumanEval, SWE-bench, and 15+ standardized evaluations. Capabilities and context window serve as tiebreakers (10%). Learn more about our methodology.
Scores 81/100 (rank #81), placing it in the top 72% of all 290 models tracked.
Scores 89/100 (rank #34), placing it in the top 89% of all 290 models tracked.
GPT-5.6 Luna has a 8-point advantage, which typically translates to noticeably better performance on complex reasoning, code generation, and multi-step tasks.
Choose DeepSeek V3.2 when you need:
- High-volume production workloads where API costs must be minimized
- Step-by-step reasoning and chain-of-thought problem solving
- Self-hosted deployments where you need full control over the model
Choose GPT-5.6 Luna when you need:
- Processing long documents or large codebases (1050K token context)
- Multimodal workflows that require image understanding
- Step-by-step reasoning and chain-of-thought problem solving
Both models are priced similarly, so the decision comes down to quality and features rather than cost.
Both models have comparable response speeds. For most applications, the latency difference is negligible.
When latency matters most: Interactive chatbots, IDE code completion, real-time translation, and user-facing applications where response time directly impacts experience. For batch processing, background summarization, or offline analysis, latency is less critical.
Code generation & review
Based on overall model capabilities and architecture for coding tasks like generating functions, debugging, and refactoring
Customer support chatbot
Suitable for user-facing chat with competitive response times. DeepSeek V3.2 also offers lower per-token costs for high-volume support
Long document analysis
Larger context window (1050K tokens) can process longer documents, contracts, and research papers in a single pass
Batch data extraction
Lower output pricing ($0.40/M) reduces costs when processing thousands of records daily
Creative writing & content
Higher overall composite score (89/100) correlates with better nuance, coherence, and style in long-form content
Image understanding & OCR
Supports vision input - can analyze screenshots, diagrams, photos, and scanned documents directly
GPT-5.6 Luna has a moderate advantage with a 7.700000000000003-point lead in composite score. It wins on more signal dimensions, but DeepSeek V3.2 has specific strengths that could make it the better choice for certain workflows.
By Use Case
Best for Quality
DeepSeek V3.2
Marginally better benchmark scores; both are excellent
Best for Cost
DeepSeek V3.2
4% lower pricing; better value at scale
Best for Reliability
DeepSeek V3.2
Higher uptime and faster response speeds
Best for Prototyping
DeepSeek V3.2
Stronger community support and better developer experience
Best for Production
DeepSeek V3.2
Wider enterprise adoption and proven at scale
by DeepSeek
- Choose for Quality - Marginally better benchmark scores; both are excellent
- Choose for Cost - 4% lower pricing; better value at scale
- Choose for Reliability - Higher uptime and faster response speeds
- Choose for Prototyping - Stronger community support and better developer experience
- Choose for Production - Wider enterprise adoption and proven at scale
| Capability | DeepSeek V3.2 | GPT-5.6 Luna |
|---|---|---|
| Vision (Image Input)differs | ||
| Function Calling | ||
| Streaming | ||
| JSON Mode | ||
| Reasoning | ||
| Web Searchdiffers | ||
| Image Output |
DeepSeek V3.2
DeepSeek
GPT-5.6 Luna
OpenAI
GPT-5.6 Luna saves you $0.0642/month
That's 7% cheaper than DeepSeek V3.2 at 1,000 tokens/request and 100 requests/day.
Assumes 60% input / 40% output token ratio per request. Actual costs may vary based on your usage pattern.
| Parameter | DeepSeek V3.2 | GPT-5.6 Luna |
|---|---|---|
| Context Window | 164K | 1.1M |
| Max Output Tokens | 65,536 | 128,000 |
| Open Source | Yes | No |
| Created | Dec 1, 2025 | Jul 9, 2026 |