DeepSeek V4 Pro 0423 vs Hy3 preview

API pricing, context window and capabilities for DeepSeek V4 Pro 0423 and Hy3 preview, side by side. Prices are the cheapest listed serving route per 1M tokens, from LiteLLM and OpenRouter.

Verdict

computed from the published numbers

DeepSeek V4 Pro 0423 wins on intelligence and on context window. Hy3 preview wins on price. Benchmark data is unavailable for one or both models.

Price
Hy3 preview
Terminal-Bench
Not called
Intelligence
DeepSeek V4 Pro 0423
Context window
DeepSeek V4 Pro 0423

Key takeaways

who wins on what, from the published numbers

DeepSeek V4 Pro 0423 wins

  • Larger context window (1M vs 262K)
  • Higher max output (1M vs 236K)
  • More serving providers (16 vs 1)
  • Supports structured output

Hy3 preview wins

  • Cheaper input ($0.435 vs $0.18 /1M)
  • Cheaper output ($0.87 vs $0.60 /1M)
Cheaper overall
Hy3 preview
$0.18 + $0.60 /1M
Larger context
DeepSeek V4 Pro 0423
1M
More providers
DeepSeek V4 Pro 0423
16 providers

Pricing & specs

cheapest listed route · per 1M tokens
On-demand listed rates, OpenRouter routed quotes and Vercel reseller quotes. Enterprise commitments can be materially lower. An OpenRouter routed quote is the price of whichever upstream provider OpenRouter prefers today, so it moves day to day.
DeepSeek V4 Pro 0423Hy3 preview
Input $/1M$0.435via Tencent $0.18OpenRouter routed quote best
Output $/1M$0.87via Tencent $0.60OpenRouter routed quote best
Context window1M best262K
Max output1M best236K
Serving providers16 best1
DateReleased Apr 24, 2026 Released Apr 20, 2026

Benchmarks

Benchmark scores, side by side
DeepSeek V4 Pro 0423Hy3 preview
Intelligence30.4 best22.7
Terminal-Bench65% Not available
GPQA Diamond89% best87%
Output speed100 t/s Not available
Latency (TTFT)1.64s Not available

Cost calculator

choose a serving route for each side
Input tokens / month
Output tokens / month
DeepSeek V4 Pro 0423
via Tencent
$3.04
Hy3 preview
via OpenRouter
$1.50

Capabilities

feature support, side by side
FeatureDeepSeek V4 Pro 0423Hy3 preview
Vision——
Tool use✓✓
Reasoning✓✓
Audio——
Prompt caching✓✓
Structured output✓—
Web search——

Related comparisons

Frequently asked questions

Which is cheaper, DeepSeek V4 Pro 0423 or Hy3 preview?
Hy3 preview is cheaper for input ($0.435 vs $0.18 per 1M tokens) as an OpenRouter routed quote. Hy3 preview is cheaper for output ($0.87 vs $0.60 per 1M tokens) as an OpenRouter routed quote.
What is the context window difference between DeepSeek V4 Pro 0423 and Hy3 preview?
DeepSeek V4 Pro 0423 has a 1M-token context window and Hy3 preview has 262K tokens, so DeepSeek V4 Pro 0423 can take a larger prompt.
How do DeepSeek V4 Pro 0423 and Hy3 preview compare on benchmarks?
On the tracked benchmarks, DeepSeek V4 Pro 0423 leads on intelligence.
Listed prices from LiteLLM, OpenRouter and Vercel · last checked Oct 14, 2026

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