LLMCost

Anthropic: Claude Fable 5 vs DeepSeek: DeepSeek V4.1 Flash

On input price, DeepSeek: DeepSeek V4.1 Flash is ~204.1× cheaper. Verified 2026-10-21.

Anthropic: Claude Fable 5 $10.00/$50.00vsDeepSeek: DeepSeek V4.1 Flash $0.049/$0.375

Verdict

On blended price (3:1 input:output), DeepSeek: DeepSeek V4.1 Flash is ~153.3× cheaper ($0.049/$0.375 vs $10.00/$50.00 per 1M tokens).

Pricing

Per-million-token list prices, verified 2026-10-21. Green marks the better value.

MetricAnthropic: Claude Fable 5DeepSeek: DeepSeek V4.1 Flash
Input / 1M$10.00$0.049
Output / 1M$50.00$0.375
Cache read / 1M$1.00$0.0010
Blended (3:1)$20.00/1M$0.131/1M
Estimated monthly costAnthropic: Claude Fable 5DeepSeek: DeepSeek V4.1 Flash
Chatbot10,000 reqs · 800/400 tok$280.00$1.89
Coding agent5,000 reqs · 8000/2000 tok$900.00$5.71
RAG pipeline30,000 reqs · 4000/500 tok$1950.00$11.51

Plug in your own numbers in the calculator, or paste a real bill into the Bill Shredder.

Specifications & capabilities

MetricAnthropic: Claude Fable 5DeepSeek: DeepSeek V4.1 Flash
Context window1M1.0M
Max output128K944K
Vision input✓✓
Tool calling✓✓
Reasoning✓✓

Quality

Intelligence Index by Artificial Analysis (independent evaluations, 0–100).

Verified intelligence scores aren't available for both models yet. See the full leaderboard.

Performance

Measured by Artificial Analysis on live endpoints.

Speed measurements aren't available for both models yet.

Provider

Infrastructure metrics for the organizations behind these models.

MetricAnthropicDeepSeek
Listed endpoints86
Reliability99.8%99.6%
Avg latency520 ms480 ms
Pricing tiersstandard, batchstandard, free

Full details: Anthropic: Claude Fable 5 pricing · DeepSeek: DeepSeek V4.1 Flash pricing