DeepSeek V4 Pro 0423 vs GLM 5.3 Flash
API pricing, context window and capabilities for DeepSeek V4 Pro 0423 and GLM 5.3 Flash, side by side. Prices are the cheapest listed serving route per 1M tokens, from LiteLLM and OpenRouter.
Verdict
computed from the published numbersGLM 5.3 Flash wins on price, on Terminal-Bench and on intelligence.
Price
GLM 5.3 Flash
Terminal-Bench
GLM 5.3 Flash
Intelligence
GLM 5.3 Flash
Context window
Tied
Key takeaways
who wins on what, from the published numbersDeepSeek V4 Pro 0423 wins
- More serving providers (16 vs 13)
GLM 5.3 Flash wins
- Cheaper input ($0.435 vs $0.11 /1M)
- Cheaper output ($0.87 vs $0.35 /1M)
- Supports vision
Cheaper overall
GLM 5.3 Flash
$0.11 + $0.35 /1M
Larger context
Tied
More providers
DeepSeek V4 Pro 0423
16 providers
Pricing & specs
cheapest listed route · per 1M tokensOn-demand listed rates, OpenRouter routed quotes and Vercel reseller quotes. Enterprise commitments can be materially lower.
| DeepSeek V4 Pro 0423 | GLM 5.3 Flash | |
|---|---|---|
| Input $/1M | $0.435via Tencent | $0.11via Sail best |
| Output $/1M | $0.87via Tencent | $0.35via Sail best |
| Context window | 1M | 1M |
| Max output | 1M | 1M |
| Serving providers | 16 best | 13 |
| Date | Released Apr 24, 2026 | Released Aug 26, 2026 |
Benchmarks
Benchmark scores, side by side| DeepSeek V4 Pro 0423 | GLM 5.3 Flash | |
|---|---|---|
| Intelligence | 30.4 | 41.8 best |
| Terminal-Bench | 65% | 84% best |
| GPQA Diamond | 89% | 91% best |
| Output speed | 100 t/s best | 67 t/s |
| Latency (TTFT) | 1.64s best | 2.80s |
Cost calculator
choose a serving route for each sideInput tokens / month
Output tokens / month
DeepSeek V4 Pro 0423
via Tencent
$3.04
GLM 5.3 Flash
via Sail
$0.90
Capabilities
feature support, side by side| Feature | DeepSeek V4 Pro 0423 | GLM 5.3 Flash |
|---|---|---|
| Vision | — | ✓ |
| Tool use | ✓ | ✓ |
| Reasoning | ✓ | ✓ |
| Audio | — | — |
| Prompt caching | ✓ | ✓ |
| Structured output | ✓ | ✓ |
| Web search | — | — |
Related comparisons
Frequently asked questions
Which is cheaper, DeepSeek V4 Pro 0423 or GLM 5.3 Flash?
GLM 5.3 Flash is cheaper for input ($0.435 vs $0.11 per 1M tokens) from Sail. GLM 5.3 Flash is cheaper for output ($0.87 vs $0.35 per 1M tokens) from Sail.
What is the context window difference between DeepSeek V4 Pro 0423 and GLM 5.3 Flash?
Both DeepSeek V4 Pro 0423 and GLM 5.3 Flash have about a 1M-token context window.
How do DeepSeek V4 Pro 0423 and GLM 5.3 Flash compare on benchmarks?
On the tracked benchmarks, GLM 5.3 Flash leads on Terminal-Bench, and GLM 5.3 Flash leads on intelligence.
Listed prices from LiteLLM, OpenRouter and Vercel · last checked Oct 14, 2026
Every weekday
AI moves fast. Here's your debrief.
News, analysis, tools, and more.
For people who build with AI