Claude Fable 5.1 vs Qwen3.8 Max
API pricing, context window and capabilities for Claude Fable 5.1 and Qwen3.8 Max, side by side. Prices are the cheapest listed serving route per 1M tokens, from LiteLLM and OpenRouter.
Verdict
computed from the published numbersClaude Fable 5.1 wins on Terminal-Bench and on intelligence. Qwen3.8 Max wins on price.
Price
Qwen3.8 Max
Terminal-Bench
Claude Fable 5.1
Intelligence
Claude Fable 5.1
Context window
Tied
Key takeaways
who wins on what, from the published numbersClaude Fable 5.1 wins
No clear edge on the tracked metrics.
Qwen3.8 Max wins
- Cheaper input ($10.00 vs $1.65 /1M)
- Cheaper output ($50.00 vs $4.95 /1M)
- Higher max output (128K vs 131K)
- More serving providers (7 vs 10)
Cheaper overall
Qwen3.8 Max
$1.65 + $4.95 /1M
Larger context
Tied
More providers
Qwen3.8 Max
10 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 Fable 5.1 | Qwen3.8 Max | |
|---|---|---|
| Input $/1M | $10.00via Anthropic | $1.65via DeepInfra best |
| Output $/1M | $50.00via Anthropic | $4.95via DeepInfra best |
| Context window | 1M | 1M |
| Max output | 128K | 131K best |
| Serving providers | 7 | 10 best |
| Date | Released Sep 1, 2026 | Released Aug 3, 2026 |
Benchmarks
Benchmark scores, side by side| Claude Fable 5.1 | Qwen3.8 Max | |
|---|---|---|
| Intelligence | 53.4 best | 40.1 |
| Terminal-Bench | 91% best | 81% |
| GPQA Diamond | 94% best | 93% |
| Output speed | 71 t/s best | 41 t/s |
| Latency (TTFT) | 249.68s | 2.57s best |
Cost calculator
choose a serving route for each sideInput tokens / month
Output tokens / month
Claude Fable 5.1
via Amazon Bedrock
$100
Qwen3.8 Max
via Scx AI
$13
Capabilities
feature support, side by side| Feature | Claude Fable 5.1 | Qwen3.8 Max |
|---|---|---|
| Vision | ✓ | ✓ |
| Tool use | ✓ | ✓ |
| Reasoning | ✓ | ✓ |
| Audio | — | — |
| Prompt caching | ✓ | ✓ |
| Structured output | ✓ | ✓ |
| Web search | ✓ | ✓ |
Related comparisons
Frequently asked questions
Which is cheaper, Claude Fable 5.1 or Qwen3.8 Max?
Qwen3.8 Max is cheaper for input ($10.00 vs $1.65 per 1M tokens) from DeepInfra. Qwen3.8 Max is cheaper for output ($50.00 vs $4.95 per 1M tokens) from DeepInfra.
What is the context window difference between Claude Fable 5.1 and Qwen3.8 Max?
Both Claude Fable 5.1 and Qwen3.8 Max have about a 1M-token context window.
How do Claude Fable 5.1 and Qwen3.8 Max compare on benchmarks?
On the tracked benchmarks, Claude Fable 5.1 leads on Terminal-Bench, and Claude Fable 5.1 leads on intelligence.
Listed prices from LiteLLM, OpenRouter and Vercel · last checked Oct 14, 2026
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