Grok 4.3 vs Qwen3.5 397B A17B
API pricing, context window and capabilities for Grok 4.3 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 numbersGrok 4.3 wins on intelligence and on context window. Qwen3.5 397B A17B wins on price and on Terminal-Bench.
Price
Qwen3.5 397B A17B
Terminal-Bench
Qwen3.5 397B A17B
Intelligence
Grok 4.3
Context window
Grok 4.3
Key takeaways
who wins on what, from the published numbersGrok 4.3 wins
- Larger context window (1M vs 262K)
- Higher max output (1M vs 262K)
Qwen3.5 397B A17B wins
- Cheaper input ($1.25 vs $0.164 /1M)
- Cheaper output ($2.50 vs $0.986 /1M)
- More serving providers (6 vs 7)
Cheaper overall
Qwen3.5 397B A17B
$0.164 + $0.986 /1M
Larger context
Grok 4.3
1M
More providers
Qwen3.5 397B A17B
7 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.
| Grok 4.3 | Qwen3.5 397B A17B | |
|---|---|---|
| Input $/1M | $1.25via xAI | $0.164via Aihubmix best |
| Output $/1M | $2.50via xAI | $0.986via Aihubmix best |
| Context window | 1M best | 262K |
| Max output | 1M best | 262K |
| Serving providers | 6 | 7 best |
| Date | Released Apr 18, 2026 | Released Feb 16, 2026 |
Benchmarks
Benchmark scores, side by side| Grok 4.3 | Qwen3.5 397B A17B | |
|---|---|---|
| Intelligence | 24.9 best | 18.4 |
| Terminal-Bench | 40% | 51% best |
| GPQA Diamond | 90% best | 89% |
| Output speed | 113 t/s best | 56 t/s |
| Latency (TTFT) | 27.23s | 2.44s best |
Cost calculator
choose a serving route for each sideInput tokens / month
Output tokens / month
Grok 4.3
via OpenRouter
$8.75
Qwen3.5 397B A17B
via Aihubmix
$1.81
Capabilities
feature support, side by side| Feature | Grok 4.3 | Qwen3.5 397B A17B |
|---|---|---|
| Vision | ✓ | ✓ |
| Tool use | ✓ | ✓ |
| Reasoning | ✓ | ✓ |
| Audio | — | — |
| Prompt caching | ✓ | ✓ |
| Structured output | ✓ | ✓ |
| Web search | ✓ | ✓ |
Related comparisons
Frequently asked questions
Which is cheaper, Grok 4.3 or Qwen3.5 397B A17B?
Qwen3.5 397B A17B is cheaper for input ($1.25 vs $0.164 per 1M tokens) from Aihubmix. Qwen3.5 397B A17B is cheaper for output ($2.50 vs $0.986 per 1M tokens) from Aihubmix.
What is the context window difference between Grok 4.3 and Qwen3.5 397B A17B?
Grok 4.3 has a 1M-token context window and Qwen3.5 397B A17B has 262K tokens, so Grok 4.3 can take a larger prompt.
How do Grok 4.3 and Qwen3.5 397B A17B compare on benchmarks?
On the tracked benchmarks, Qwen3.5 397B A17B leads on Terminal-Bench, and Grok 4.3 leads on intelligence.
Listed prices from LiteLLM, OpenRouter and Vercel · last checked Oct 14, 2026
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