LLMCost

Anthropic: Claude Opus 5 vs DeepSeek: DeepSeek Flash Latest

On input price, DeepSeek: DeepSeek Flash Latest is ~102.0× cheaper. Verified 2026-10-21.

Anthropic: Claude Opus 5 $5.00/$25.00vsDeepSeek: DeepSeek Flash Latest $0.049/$0.375

Verdict

On blended price (3:1 input:output), DeepSeek: DeepSeek Flash Latest is ~76.6× cheaper ($0.049/$0.375 vs $5.00/$25.00 per 1M tokens).

Pricing

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

MetricAnthropic: Claude Opus 5DeepSeek: DeepSeek Flash Latest
Input / 1M$5.00$0.049
Output / 1M$25.00$0.375
Cache read / 1M$0.500$0.0012
Blended (3:1)$10.00/1M$0.131/1M
Estimated monthly costAnthropic: Claude Opus 5DeepSeek: DeepSeek Flash Latest
Chatbot10,000 reqs · 800/400 tok$140.00$1.89
Coding agent5,000 reqs · 8000/2000 tok$450.00$5.71
RAG pipeline30,000 reqs · 4000/500 tok$975.00$11.51

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

Specifications & capabilities

MetricAnthropic: Claude Opus 5DeepSeek: DeepSeek Flash Latest
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.

MetricAnthropic~deepseek
Listed endpoints8—
Reliability99.8%—
Avg latency520 ms—
Pricing tiersstandard, batch—

Full details: Anthropic: Claude Opus 5 pricing · DeepSeek: DeepSeek Flash Latest pricing