Claude Opus 4.8 vs Qwen3.5 397B A17B
API pricing, context window and capabilities for Claude Opus 4.8 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 numbersClaude Opus 4.8 wins on Terminal-Bench, on intelligence and on context window. Qwen3.5 397B A17B wins on price.
Price
Qwen3.5 397B A17B
Terminal-Bench
Claude Opus 4.8
Intelligence
Claude Opus 4.8
Context window
Claude Opus 4.8
Key takeaways
who wins on what, from the published numbersClaude Opus 4.8 wins
- Larger context window (1M vs 262K)
- More serving providers (8 vs 7)
Qwen3.5 397B A17B wins
- Cheaper input ($5.00 vs $0.164 /1M)
- Cheaper output ($25.00 vs $0.986 /1M)
- Higher max output (128K vs 262K)
Cheaper overall
Qwen3.5 397B A17B
$0.164 + $0.986 /1M
Larger context
Claude Opus 4.8
1M
More providers
Claude Opus 4.8
8 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.
| Claude Opus 4.8 | Qwen3.5 397B A17B | |
|---|---|---|
| Input $/1M | $5.00via Anthropic | $0.164via Aihubmix best |
| Output $/1M | $25.00via Anthropic | $0.986via Aihubmix best |
| Context window | 1M best | 262K |
| Max output | 128K | 262K best |
| Serving providers | 8 best | 7 |
| Date | Released May 28, 2026 | Released Feb 16, 2026 |
Benchmarks
Benchmark scores, side by side| Claude Opus 4.8 | Qwen3.5 397B A17B | |
|---|---|---|
| Intelligence | 41.8 best | 18.4 |
| Terminal-Bench | 85% best | 51% |
| GPQA Diamond | 92% best | 89% |
| Output speed | 62 t/s best | 56 t/s |
| Latency (TTFT) | 56.16s | 2.44s best |
Cost calculator
choose a serving route for each sideInput tokens / month
Output tokens / month
Claude Opus 4.8
via Azure
$50
Qwen3.5 397B A17B
via Aihubmix
$1.81
Capabilities
feature support, side by side| Feature | Claude Opus 4.8 | Qwen3.5 397B A17B |
|---|---|---|
| Vision | ✓ | ✓ |
| Tool use | ✓ | ✓ |
| Reasoning | ✓ | ✓ |
| Audio | — | — |
| Prompt caching | ✓ | ✓ |
| Structured output | ✓ | ✓ |
| Web search | ✓ | ✓ |
Related comparisons
Frequently asked questions
Which is cheaper, Claude Opus 4.8 or Qwen3.5 397B A17B?
Qwen3.5 397B A17B is cheaper for input ($5.00 vs $0.164 per 1M tokens) from Aihubmix. Qwen3.5 397B A17B is cheaper for output ($25.00 vs $0.986 per 1M tokens) from Aihubmix.
What is the context window difference between Claude Opus 4.8 and Qwen3.5 397B A17B?
Claude Opus 4.8 has a 1M-token context window and Qwen3.5 397B A17B has 262K tokens, so Claude Opus 4.8 can take a larger prompt.
How do Claude Opus 4.8 and Qwen3.5 397B A17B compare on benchmarks?
On the tracked benchmarks, Claude Opus 4.8 leads on Terminal-Bench, and Claude Opus 4.8 leads on intelligence.
Listed prices from LiteLLM, OpenRouter and Vercel · last checked Oct 14, 2026
Every weekday
AI moves fast. Here's your debrief.
News, analysis, tools, and more.
For people who build with AI