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 serving route per 1M tokens, verified against LiteLLM and OpenRouter.
Verdict
computed from the published numbersGrok 4.3 wins on intelligence and on context window. Qwen3.5 397B A17B wins on coding.
Price
Tied
Coding
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
- Cheaper output ($2.50 vs $3.60 /1M)
- Larger context window (1M vs 262K)
- Higher max output (1M vs 66K)
- Supports prompt caching
- Has web search
Qwen3.5 397B A17B wins
- Cheaper input ($1.25 vs $0.60 /1M)
- More serving providers (1 vs 3)
Cheaper overall
Grok 4.3
$1.25 + $2.50 /1M
Larger context
Grok 4.3
1M
More providers
Qwen3.5 397B A17B
3 providers
Pricing & specs
cheapest serving route · per 1M tokens| Grok 4.3 | Qwen3.5 397B A17B | |
|---|---|---|
| Input $/1M | $1.25 | $0.60 best |
| Output $/1M | $2.50 best | $3.60 |
| Context window | 1M best | 262K |
| Max output | 1M best | 66K |
| Serving providers | 1 | 3 best |
| Released | 2026-04-18 | 2026-02-16 |
Benchmarks
Artificial Analysis indices, side by side| Grok 4.3 | Qwen3.5 397B A17B | |
|---|---|---|
| Intelligence | 37.6 best | 33.7 |
| Coding | 42.3 | 48.2 best |
| GPQA Diamond | 90% best | 89% |
| Output speed | 113 t/s best | 61 t/s |
| Latency (TTFT) | 17.26s | 9.37s best |
Cost calculator
choose a serving route for each sideInput tokens / month
Output tokens / month
Grok 4.3
via xAI
$8.75
Qwen3.5 397B A17B
via OpenRouter
$6.60
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 $0.60 per 1M tokens). Grok 4.3 is cheaper for output ($2.50 vs $3.60 per 1M tokens).
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 Artificial Analysis indices, Qwen3.5 397B A17B leads on coding, and Grok 4.3 leads on intelligence.
Pricing verified against LiteLLM + OpenRouter + provider pages · refreshed daily
Every weekday
AI moves fast. Here's your debrief.
News, analysis, tools, and more.
For people who build with AI