GPT-5.4 vs Qwen3.5 397B A17B
API pricing, context window and capabilities for GPT-5.4 and Qwen3.5 397B A17B, side by side. Prices are the cheapest serving route per 1M tokens, verified against LiteLLM and OpenRouter.
Verdict
computed from the published numbersGPT-5.4 wins on coding, on intelligence and on context window. Qwen3.5 397B A17B wins on price.
Price
Qwen3.5 397B A17B
Coding
GPT-5.4
Intelligence
GPT-5.4
Context window
GPT-5.4
Key takeaways
who wins on what, from the published numbersGPT-5.4 wins
- Larger context window (1.1M vs 262K)
- Higher max output (128K vs 66K)
- Supports prompt caching
- Has web search
Qwen3.5 397B A17B wins
- Cheaper input ($2.50 vs $0.60 /1M)
- Cheaper output ($15.00 vs $3.60 /1M)
- More serving providers (2 vs 3)
Cheaper overall
Qwen3.5 397B A17B
$0.60 + $3.60 /1M
Larger context
GPT-5.4
1.1M
More providers
Qwen3.5 397B A17B
3 providers
Pricing & specs
cheapest serving route · per 1M tokens| GPT-5.4 | Qwen3.5 397B A17B | |
|---|---|---|
| Input $/1M | $2.50 | $0.60 best |
| Output $/1M | $15.00 | $3.60 best |
| Context window | 1.1M best | 262K |
| Max output | 128K best | 66K |
| Serving providers | 2 | 3 best |
| Released | 2026-03-05 | 2026-02-16 |
Benchmarks
Artificial Analysis indices, side by side| GPT-5.4 | Qwen3.5 397B A17B | |
|---|---|---|
| Intelligence | 51.4 best | 33.7 |
| Coding | 71.0 best | 48.2 |
| GPQA Diamond | 92% best | 89% |
| Output speed | 144 t/s best | 61 t/s |
| Latency (TTFT) | 27.88s | 9.37s best |
Cost calculator
choose a serving route for each sideInput tokens / month
Output tokens / month
GPT-5.4
via Azure
$28
Qwen3.5 397B A17B
via OpenRouter
$6.60
Capabilities
feature support, side by side| Feature | GPT-5.4 | Qwen3.5 397B A17B |
|---|---|---|
| Vision | ✓ | ✓ |
| Tool use | ✓ | ✓ |
| Reasoning | ✓ | ✓ |
| Audio | — | — |
| Prompt caching | ✓ | — |
| Structured output | ✓ | ✓ |
| Web search | ✓ | — |
Related comparisons
Frequently asked questions
Which is cheaper, GPT-5.4 or Qwen3.5 397B A17B?
Qwen3.5 397B A17B is cheaper for input ($2.50 vs $0.60 per 1M tokens). Qwen3.5 397B A17B is cheaper for output ($15.00 vs $3.60 per 1M tokens).
What is the context window difference between GPT-5.4 and Qwen3.5 397B A17B?
GPT-5.4 has a 1.1M-token context window and Qwen3.5 397B A17B has 262K tokens, so GPT-5.4 can take a larger prompt.
How do GPT-5.4 and Qwen3.5 397B A17B compare on benchmarks?
On the tracked Artificial Analysis indices, GPT-5.4 leads on coding, and GPT-5.4 leads on intelligence.
Pricing verified against LiteLLM + OpenRouter + provider pages · refreshed daily
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