Claude Fable 5 vs Qwen3.5 397B A17B

API pricing, context window and capabilities for Claude Fable 5 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 numbers

Claude Fable 5 wins on coding, on intelligence and on context window. Qwen3.5 397B A17B wins on price.

Price
Qwen3.5 397B A17B
Coding
Claude Fable 5
Intelligence
Claude Fable 5
Context window
Claude Fable 5

Key takeaways

who wins on what, from the published numbers

Claude Fable 5 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 ($10.00 vs $0.60 /1M)
  • Cheaper output ($50.00 vs $3.60 /1M)
Cheaper overall
Qwen3.5 397B A17B
$0.60 + $3.60 /1M
Larger context
Claude Fable 5
1M
More providers
Claude Fable 5
4 providers

Pricing & specs

cheapest serving route · per 1M tokens
Claude Fable 5Qwen3.5 397B A17B
Input $/1M$10.00 $0.60 best
Output $/1M$50.00 $3.60 best
Context window1M best262K
Max output128K best66K
Serving providers4 best3
Released2026-06-09 2026-02-16

Benchmarks

Artificial Analysis indices, side by side
Claude Fable 5Qwen3.5 397B A17B
Intelligence59.9 best33.7
Coding76.5 best48.2
GPQA Diamond93% best89%
Output speed46 t/s 61 t/s best
Latency (TTFT)29.29s 9.37s best

Cost calculator

choose a serving route for each side
Input tokens / month
Output tokens / month
Claude Fable 5
via Amazon Bedrock
$100
Qwen3.5 397B A17B
via OpenRouter
$6.60

Capabilities

feature support, side by side
FeatureClaude Fable 5Qwen3.5 397B A17B
Vision
Tool use
Reasoning
Audio
Prompt caching
Structured output
Web search

Related comparisons

Frequently asked questions

Which is cheaper, Claude Fable 5 or Qwen3.5 397B A17B?
Qwen3.5 397B A17B is cheaper for input ($10.00 vs $0.60 per 1M tokens). Qwen3.5 397B A17B is cheaper for output ($50.00 vs $3.60 per 1M tokens).
What is the context window difference between Claude Fable 5 and Qwen3.5 397B A17B?
Claude Fable 5 has a 1M-token context window and Qwen3.5 397B A17B has 262K tokens, so Claude Fable 5 can take a larger prompt.
How do Claude Fable 5 and Qwen3.5 397B A17B compare on benchmarks?
On the tracked Artificial Analysis indices, Claude Fable 5 leads on coding, and Claude Fable 5 leads on intelligence.
Pricing verified against LiteLLM + OpenRouter + provider pages · refreshed daily

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