DeepSeek V3.2 vs GPT-6 Luna Pro: price, context window and capabilities
DeepSeek V3.2 (deepseek/deepseek-v3.2) is a language model from DeepSeek and GPT-6 Luna Pro (openai/gpt-6-luna-pro) a multimodal language model from OpenAI; both are on the OceanToken API. DeepSeek V3.2 costs less for output: $0.42 against $0.50 per 1M output tokens (16% less); GPT-6 Luna Pro costs less for input: $0.10 against $0.28 per 1M input tokens (64% less). GPT-6 Luna Pro has the larger context window: 1.05M tokens (1,050,000) against 164K (163,840) for DeepSeek V3.2. Both support tool calling, reasoning and structured outputs; only GPT-6 Luna Pro also lists image input and file input.
Side by side
| Spec | DeepSeek V3.2 | GPT-6 Luna Pro |
|---|---|---|
| Model | DeepSeek V3.2deepseek/ | GPT-6 Luna Proopenai/ |
| Publisher | DeepSeek | OpenAI |
| Kind | Text | Text & vision |
| Context window | 164K tokens163,840 | 1.05M tokens1,050,000 |
| Input price | $0.28 / 1M tokens | $0.10 / 1M tokens |
| Output price | $0.42 / 1M tokens | $0.50 / 1M tokens |
| Cached input price | $0.028 / 1M tokens | $0.01 / 1M tokens |
| Cache write price | – | $0.125 / 1M tokens |
| Web search price | – | $0.01 / search |
| Inputs | text | text, images and files |
| Outputs | text | text |
| Tool calling | Yes | Yes |
| Reasoning | Yes | Yes |
| Structured outputs | Yes | Yes |
About these prices
Which should you choose?
- Price depends on the mix: DeepSeek V3.2 costs less for output and GPT-6 Luna Pro for input, so estimate both on your own volume of input tokens and output tokens.
- Choose GPT-6 Luna Pro for the longest inputs: its context window holds 1.05M tokens against 164K for DeepSeek V3.2.
- Choose GPT-6 Luna Pro if you need image input and file input: DeepSeek V3.2 does not list them.
- Not sure? Call both with the same OceanToken API key and compare them on your own prompts; each request is billed per use from one prepaid balance.
Get API Key DeepSeek V3.2 GPT-6 Luna Pro
Frequently asked questions
Which is cheaper, DeepSeek V3.2 or GPT-6 Luna Pro?
It depends on the mix of tokens. DeepSeek V3.2 costs less for output: $0.42 against $0.50 per 1M output tokens (16% less); GPT-6 Luna Pro costs less for input: $0.10 against $0.28 per 1M input tokens (64% less). These are OceanToken starting prices per use; the OceanToken console always shows the current price.
Which has the larger context window, DeepSeek V3.2 or GPT-6 Luna Pro?
GPT-6 Luna Pro. GPT-6 Luna Pro has the larger context window: 1.05M tokens (1,050,000) against 164K (163,840) for DeepSeek V3.2.
Can I call both DeepSeek V3.2 and GPT-6 Luna Pro with one API key?
Yes. Both are on the OceanToken API at https://api.oceantoken.ai/v1: one API key and one prepaid balance call either model. Send the model id deepseek/deepseek-v3.2 or openai/gpt-6-luna-pro.
Models and publishers
DeepSeek V3.2 · GPT-6 Luna Pro · All DeepSeek models · All OpenAI models
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