← Models

DeepSeek V4 Pro vs GPT 5.6 Luna

Compare DeepSeek V4 Pro from DeepSeek and GPT 5.6 Luna from OpenAI on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the AIHubMix API.

DeepSeekDeepSeek V4 ProOpenAIGPT 5.6 Luna
+ Add model · 2/4
DeepSeek logo
DeepSeek V4 Pro
DeepSeek · text → text

(This model currently points to the older 0423 version; if you need to request the latest version, you can choose the model deepseek-v4-pro-0813)DeepSeek-V4 features an ultra-long context of one million characters and achieves leading performance domestically and in the open-source domain in agent capabilities, world knowledge, and reasoning.( Directly requesting deepseek-v4-pro will route you through the official discount channel.)

Input$1.69 /M
Output$3.38 /M
Cache read$0.1403 /M
Details
OpenAI logo
GPT 5.6 Luna
OpenAI · text, image → text

GPT-5.6 Luna is designed for cost-sensitive, high-volume workloads. It roughly corresponds to the nano model tier used in earlier GPT-5 families.

Input$0.2 /M
Output$1.2 /M
Cache read$0.02 /M
Details

Pricing & Specifications

Prices are per million tokens. Time to First Token and throughput are rolling averages measured on AIHubMix.

DeepSeek V4 Pro
GPT 5.6 Luna
Input /M
$1.69
$0.2
Output /M
$3.38
$1.2
Cache read /M
$0.1403
$0.02
Context length
1,000,000
1,050,000
Max output
384,000
128,000
Time to First Token
1.6 s
5.0 s
Throughput
51.3 tok/s
47.6 tok/s
Modalities
text
textimage
Supported Parameters
toolsfunction callingstructured outputsthinking
toolsthinkingstructured outputs
API Formats
chat_completions · responses
Released
April 24, 2026
July 9, 2026

Promotional prices show the discounted rate; see each model page for promotion windows.

Activity Past 30 Days

Daily traffic served through AIHubMix — how demand for each model is trending.

deepseek-v4-progpt-5.6-luna

Tokens / day

-

Requests / day

-

Performance Past 3 Days

Measured on real AIHubMix traffic, hourly buckets. Gaps mean no traffic in that hour.

deepseek-v4-progpt-5.6-luna

Throughput (tok/s)

-

TTFT (s)

-

Uptime (%)

-

Cost calculator

Estimate your monthly bill for the same workload on each model.

GPT 5.6 Luna
$30.00 /mo
DeepSeek V4 Pro
$152 /mo

Monthly = daily × 30. Discounted rates applied where a promotion is active.

FAQ

Which is cheaper: DeepSeek V4 Pro, GPT 5.6 Luna?

GPT 5.6 Luna: $1.2/M output tokens; DeepSeek V4 Pro: $3.38/M. Use the cost calculator above to estimate your own workload.

Which responds faster?

DeepSeek V4 Pro: 1.6s time to first token measured on AIHubMix; see the live performance charts above for how each model behaves across the day.

How large is each context window?

DeepSeek V4 Pro accepts 1,000,000 and GPT 5.6 Luna accepts 1,050,000 input tokens. Maximum output per request is 384,000 tokens on DeepSeek V4 Pro and 128,000 tokens on GPT 5.6 Luna.

Which one generates tokens faster?

DeepSeek V4 Pro at 51.3 tok/s and GPT 5.6 Luna at 47.6 tok/s, measured as output throughput on AIHubMix — a separate metric from time to first token.

What inputs and capabilities does each model support?

DeepSeek V4 Pro accepts text input and supports tool calling, function calling, structured outputs and thinking; GPT 5.6 Luna accepts text and image input and supports tool calling, thinking and structured outputs.

Can I call DeepSeek V4 Pro and GPT 5.6 Luna with the same API key?

Yes. AIHubMix serves every model on this page behind one OpenAI-compatible endpoint, so switching between them is a one-line change to the model field — no second account, key or SDK.

Popular comparisons

Related model match-ups readers also look at.

Kimi K3vsQwen3.8 Max PreviewClaude Opus 5vsGPT 5.6 LunaClaude Opus 5vsClaude Sonnet 5Gemini 3.1 Pro PreviewvsGPT 5.5GLM 5.2vsKimi K3Gemini 3.6 FlashvsQwen3.8 MaxDeepSeek V4 FlashvsGLM 5.2Claude Opus 5vsGrok 4.5

© 2023 - 2026 AIHubMix, LLC

Product

Developer

Connect

Terms & Policies