Claude Sonnet 5 vs DeepSeek V4.1 Flash 1017
2026 Stored listed rates & illustrative token-cost comparison
Illustrative Listed-Rate Difference
DeepSeek V4.1 Flash 1017 about 87% lower
1M input + 200K output tokens; not a monthly bill
📌 Executive Summary (TL;DR):Under a standard baseline of 1M input + 200K output tokens, DeepSeek V4.1 Flash 1017 lists approximately 87% lower than Claude Sonnet 5. For high-throughput production workloads, DeepSeek V4.1 Flash 1017 delivers superior unit economics; model your specific monthly workload below before migrating.(Price records last updated 2026-10-22 (UTC))
💡 10M Monthly Token Workload Simulation
Simulating a production workload (10M input + 2M output tokens): Claude Sonnet 5 listed rate totals ~$40.00, while DeepSeek V4.1 Flash 1017 totals ~$5.40. Switching to DeepSeek V4.1 Flash 1017 yields ~$34.60/mo in raw token savings.
Metric
Claude Sonnet 5 (Anthropic)
DeepSeek V4.1 Flash 1017 (Fireworks AI)
Input listed rate
$2.00 / 1M Tokens
$0.30 / 1M Tokens
Output listed rate
$10.00 / 1M Tokens
$1.20 / 1M Tokens
Cached Input rate
$0.20 / 1M Tokens
$0.0060 / 1M Tokens
Context Window
1000K Tokens
1000K Tokens
Modality
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