GLM 5.1 vs Qwen3.5 397B A17B
API pricing, context window and capabilities for GLM 5.1 and Qwen3.5 397B A17B, side by side. Prices are the cheapest listed serving route per 1M tokens, from LiteLLM and OpenRouter.
Verdict
computed from the published numbersGLM 5.1 wins on Terminal-Bench and on intelligence. Qwen3.5 397B A17B wins on price and on context window.
Price
Qwen3.5 397B A17B
Terminal-Bench
GLM 5.1
Intelligence
GLM 5.1
Context window
Qwen3.5 397B A17B
Key takeaways
who wins on what, from the published numbersGLM 5.1 wins
- More serving providers (12 vs 7)
Qwen3.5 397B A17B wins
- Cheaper input ($1.05 vs $0.164 /1M)
- Cheaper output ($3.50 vs $0.986 /1M)
- Larger context window (205K vs 262K)
- Higher max output (203K vs 262K)
- Supports vision
- Has web search
Cheaper overall
Qwen3.5 397B A17B
$0.164 + $0.986 /1M
Larger context
Qwen3.5 397B A17B
262K
More providers
GLM 5.1
12 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.
| GLM 5.1 | Qwen3.5 397B A17B | |
|---|---|---|
| Input $/1M | $1.05via DeepInfra | $0.164via Aihubmix best |
| Output $/1M | $3.50via DeepInfra | $0.986via Aihubmix best |
| Context window | 205K | 262K best |
| Max output | 203K | 262K best |
| Serving providers | 12 best | 7 |
| Date | Released Apr 7, 2026 | Released Feb 16, 2026 |
Benchmarks
Benchmark scores, side by side| GLM 5.1 | Qwen3.5 397B A17B | |
|---|---|---|
| Intelligence | 26.1 best | 18.4 |
| Terminal-Bench | 62% best | 51% |
| GPQA Diamond | 87% | 89% best |
| Output speed | 66 t/s best | 56 t/s |
| Latency (TTFT) | 1.71s best | 2.44s |
Cost calculator
choose a serving route for each sideInput tokens / month
Output tokens / month
GLM 5.1
via DeepInfra
$8.75
Qwen3.5 397B A17B
via Aihubmix
$1.81
Capabilities
feature support, side by side| Feature | GLM 5.1 | Qwen3.5 397B A17B |
|---|---|---|
| Vision | — | ✓ |
| Tool use | ✓ | ✓ |
| Reasoning | ✓ | ✓ |
| Audio | — | — |
| Prompt caching | ✓ | ✓ |
| Structured output | ✓ | ✓ |
| Web search | — | ✓ |
Related comparisons
Frequently asked questions
Which is cheaper, GLM 5.1 or Qwen3.5 397B A17B?
Qwen3.5 397B A17B is cheaper for input ($1.05 vs $0.164 per 1M tokens) from Aihubmix. Qwen3.5 397B A17B is cheaper for output ($3.50 vs $0.986 per 1M tokens) from Aihubmix.
What is the context window difference between GLM 5.1 and Qwen3.5 397B A17B?
GLM 5.1 has a 205K-token context window and Qwen3.5 397B A17B has 262K tokens, so Qwen3.5 397B A17B can take a larger prompt.
How do GLM 5.1 and Qwen3.5 397B A17B compare on benchmarks?
On the tracked benchmarks, GLM 5.1 leads on Terminal-Bench, and GLM 5.1 leads on intelligence.
Listed prices from LiteLLM, OpenRouter and Vercel · last checked Oct 14, 2026
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