CtrlAltDebrief

GLM 5.3 vs Hy3

API pricing, context window and capabilities for GLM 5.3 and Hy3, side by side. Prices are the cheapest listed serving route per 1M tokens, from LiteLLM and OpenRouter.

Verdict

computed from the published numbers

GLM 5.3 wins on Terminal-Bench, on intelligence and on context window.

Price
Tied
Terminal-Bench
GLM 5.3
Intelligence
GLM 5.3
Context window
GLM 5.3

Key takeaways

who wins on what, from the published numbers

GLM 5.3 wins

  • Cheaper input ($0.079 vs $0.132 /1M)
  • Larger context window (1M vs 262K)
  • Higher max output (1M vs 262K)
  • More serving providers (16 vs 5)
  • Supports vision

Hy3 wins

  • Cheaper output ($3.08 vs $0.528 /1M)
  • Has web search
Cheaper overall
Hy3
$0.132 + $0.528 /1M
Larger context
GLM 5.3
1M
More providers
GLM 5.3
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.
GLM 5.3Hy3
Input $/1M$0.079OpenRouter routed quote best$0.132OpenRouter routed quote
Output $/1M$3.08via Sail $0.528OpenRouter routed quote best
Context window1M best262K
Max output1M best262K
Serving providers16 best5
DateReleased Aug 14, 2026 Released Jul 6, 2026

Benchmarks

Benchmark scores, side by side
GLM 5.3Hy3
Intelligence44.8 best25.3
Terminal-Bench84% best64%
GPQA Diamond92% best90%
Output speed62 t/s 86 t/s best
Latency (TTFT)3.50s 2.81s best

Cost calculator

choose a serving route for each side
Input tokens / month
Output tokens / month
GLM 5.3
via OpenRouter
$5.20
Hy3
via OpenRouter
$1.19

Capabilities

feature support, side by side
FeatureGLM 5.3Hy3
Vision✓—
Tool use✓✓
Reasoning✓✓
Audio——
Prompt caching✓✓
Structured output✓✓
Web search—✓

Related comparisons

Frequently asked questions

Which is cheaper, GLM 5.3 or Hy3?
GLM 5.3 is cheaper for input ($0.079 vs $0.132 per 1M tokens) as an OpenRouter routed quote. Hy3 is cheaper for output ($3.08 vs $0.528 per 1M tokens) as an OpenRouter routed quote.
What is the context window difference between GLM 5.3 and Hy3?
GLM 5.3 has a 1M-token context window and Hy3 has 262K tokens, so GLM 5.3 can take a larger prompt.
How do GLM 5.3 and Hy3 compare on benchmarks?
On the tracked benchmarks, GLM 5.3 leads on Terminal-Bench, and GLM 5.3 leads on intelligence.
Listed prices from LiteLLM, OpenRouter and Vercel · last checked Oct 14, 2026

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