Comparison

Claude Fable 5 vs DeepSeek V4 Flash

DeepSeek V4 Flash costs 99% less per input token than Claude Fable 5. DeepSeek V4 Flash is 99% cheaper on output tokens.

FieldClaude Fable 5
DeepSeek V4 Flash
ProviderAnthropicDeepSeek
Context window1M1M
Max output128K384K
Input / 1M$10.00$0.1499% cheaper
Output / 1M$50.00$0.2899% cheaper
Cached input / 1M$1.00$0.0028100% cheaper
Batch discount50%
Release date2026-06-09

Worked cost examples

Estimated monthly cost on three common usage shapes

WorkloadClaude Fable 5DeepSeek V4 Flash

Chatbot

800 input / 200 output tokens per request, 100,000 requests/month

$1,800$16.80cheaper

RAG pipeline

6,000 input / 700 output tokens per request, 30,000 requests/month

$2,850$31.08cheaper

Batch summarization

20,000 input / 1,500 output tokens per request, 5,000 requests/month

$1,375$16.10cheaper

Claude Fable 5 vs DeepSeek V4 Flash FAQ

Is Claude Fable 5 cheaper than DeepSeek V4 Flash?
Claude Fable 5 costs $10.00 per 1M input tokens versus $0.14 for DeepSeek V4 Flash — DeepSeek V4 Flash is 7043% cheaper per input token.
Which is cheaper for output tokens, Claude Fable 5 or DeepSeek V4 Flash?
Claude Fable 5 charges $50.00 per 1M output tokens; DeepSeek V4 Flash charges $0.28 per 1M output tokens.
Which has the larger context window, Claude Fable 5 or DeepSeek V4 Flash?
Claude Fable 5 does, with a 1,000,000-token context window.
Do Claude Fable 5 and DeepSeek V4 Flash offer cache pricing?
Claude Fable 5 discounts cached input to $1.00 per 1M tokens. DeepSeek V4 Flash discounts cached input to $0.0028 per 1M tokens.

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