DeepSeek: DeepSeek V3.1 Terminus

Pricing, context window and lifecycle for deepseek/deepseek-v3.1-terminus, tracked from what the vendor publishes.

Price per million tokens

Input$0.270
Output$1.00
Cache price (read)$0.135
Max price$1.00

Facts

Model IDdeepseek/deepseek-v3.1-terminus
VendorDeepSeek
Token limit (context window)163,840 tokens
Knowledge cutoff2025-03-31
End of lifenone published

Supported parameters

frequency_penalty, include_reasoning, logit_bias, max_tokens, min_p, presence_penalty, reasoning, repetition_penalty, response_format, seed, stop, structured_outputs, temperature, tool_choice, tools, top_k, top_p

Other DeepSeek models

Change history

Every change we have observed since tracking began.

DetectedChangeDetail
2026-08-20 19:14Pricing ChangeCache price (read) now charged, $0.135
2026-08-17 19:14Pricing ChangeOutput $0.950 -> $1.00 (+5.3%) · Cache price (read) no longer charged
2026-08-17 19:14Deprecation Changedshutdown date 2026-08-17 withdrawn
2026-08-15 19:14Deprecation Setshutdown date 2026-08-17 announced
2026-08-13 00:37Pricing ChangeOutput $1.00 -> $0.950 (-5.0%) · Cache price (read) $0.135 -> $0.130 (-3.7%)

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