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 serving route per 1M tokens, verified against LiteLLM and OpenRouter.
Verdict
computed from the published numbersClaude Opus 4.8 wins on coding, on intelligence and on context window. Qwen3.5 397B A17B wins on price.
Price
Qwen3.5 397B A17B
Coding
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)
- Higher max output (128K vs 66K)
- More serving providers (4 vs 3)
- Supports prompt caching
Qwen3.5 397B A17B wins
- Cheaper input ($5.00 vs $0.60 /1M)
- Cheaper output ($25.00 vs $3.60 /1M)
Cheaper overall
Qwen3.5 397B A17B
$0.60 + $3.60 /1M
Larger context
Claude Opus 4.8
1M
More providers
Claude Opus 4.8
4 providers
Pricing & specs
cheapest serving route · per 1M tokens| Claude Opus 4.8 | Qwen3.5 397B A17B | |
|---|---|---|
| Input $/1M | $5.00 | $0.60 best |
| Output $/1M | $25.00 | $3.60 best |
| Context window | 1M best | 262K |
| Max output | 128K best | 66K |
| Serving providers | 4 best | 3 |
| Released | 2026-05-28 | 2026-02-16 |
Benchmarks
Artificial Analysis indices, side by side| Claude Opus 4.8 | Qwen3.5 397B A17B | |
|---|---|---|
| Intelligence | 55.7 best | 33.7 |
| Coding | 74.3 best | 48.2 |
| GPQA Diamond | 92% best | 89% |
| Output speed | 68 t/s best | 61 t/s |
| Latency (TTFT) | 38.57s | 9.37s best |
Cost calculator
choose a serving route for each sideInput tokens / month
Output tokens / month
Claude Opus 4.8
via Amazon Bedrock
$50
Qwen3.5 397B A17B
via OpenRouter
$6.60
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 $0.60 per 1M tokens). Qwen3.5 397B A17B is cheaper for output ($25.00 vs $3.60 per 1M tokens).
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 Artificial Analysis indices, Claude Opus 4.8 leads on coding, and Claude Opus 4.8 leads on intelligence.
Pricing verified against LiteLLM + OpenRouter + provider pages · refreshed daily
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