Deprecated on Sep 28, 2026. 5 providers still list it at the prices below.
DeepSeek V3.1 TerminusDeprecated
Context
164K
Max output
164K
Serving providers
5
Cheapest input
$0.27 /1M
On-demand listed rates, OpenRouter routed quotes and Vercel reseller quotes. Enterprise commitments (committed-use discounts, provisioned throughput, negotiated rates) can be materially lower.
Benchmarks
independent evaluations · source: Artificial AnalysisSpeed & latency
Output speed
39 t/s
tokens / second
Time to first token
1.88s
latency
Headline indices
Individual benchmarks · click a row for effort variants
| Benchmark | Best score | Effort | Cost / task | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Automation Bench | 0.0 | reasoning: true | — | |||||||||||||||||
| CritPt | 2% | reasoning: true | — | |||||||||||||||||
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| EvalComputeProxyFrozen Aug 18, 2026 | 337.0 | reasoning: true | — | |||||||||||||||||
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| GDPval v2Frozen Aug 18, 2026 | 883.2 | reasoning: true | — | |||||||||||||||||
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| GPQA Diamond | 79% | reasoning: true | — | |||||||||||||||||
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| Humanity's Last Exam | 16% | reasoning: true | — | |||||||||||||||||
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| IFBench | 57% | reasoning: true | — | |||||||||||||||||
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| LiveCodeBench | 80% | reasoning: true | — | |||||||||||||||||
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| Long-Context Reasoning | 69% | reasoning: true | — | |||||||||||||||||
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| MMLU-ProFrozen Aug 18, 2026 | 85% | reasoning: true | — | |||||||||||||||||
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| Omniscience | -26.4 | reasoning: true | — | |||||||||||||||||
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| Omniscience Accuracy | 0.3 | reasoning: true | — | |||||||||||||||||
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| Omniscience Non Hallucination | 0.3 | reasoning: true | — | |||||||||||||||||
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| SciCode | 38% | reasoning: true | — | |||||||||||||||||
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| Terminal Bench40 | 0 | reasoning: true | — | |||||||||||||||||
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| TerminalBench Hard | 32% | default | — | |||||||||||||||||
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| TerminalBench v2.1 | 45% | reasoning: true | — | |||||||||||||||||
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| τ-bench Banking | 21% | reasoning: true | — | |||||||||||||||||
| τ²-bench | 37% | reasoning: true | — | |||||||||||||||||
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Artificial Analysis last published scores for this benchmark on Sep 9, 2026. Scores here are frozen at that date, and models released since are not on it.
Artificial Analysis last published scores for this benchmark on Aug 18, 2026. Scores here are frozen at that date, and models released since are not on it.
Pricing by serving provider
standard tier · per 1M tokens · click a provider to expandInput pricing runs from $0.27 to $0.56 per 1M tokens across 5 providers, so the dearest route costs 107% more than the cheapest for the same model.
| Serving provider | Input /1M | Output /1M | Endpoints | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DeepInfraCheapest | $0.27 | $1.00 | 1 | |||||||||||||
Standarddeepinfra/deepseek-ai/DeepSeek-V3.1-Terminus
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| Novita | $0.27 | $1.00 | 1 | |||||||||||||
Standardnovita/deepseek/deepseek-v3.1-terminus
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| OpenRouter | $0.27 | $1.00 | 1 | |||||||||||||
Standarddeepseek/deepseek-v3.1-terminus
| ||||||||||||||||
| VercelVercel reseller quote | $0.27 | $1.00 | 1 | |||||||||||||
Standarddeepseek/deepseek-v3.1-terminus
| ||||||||||||||||
| Fireworks AI | $0.56 | $1.68 | 1 | |||||||||||||
Standardfireworks_ai/accounts/fireworks/models/deepseek-v3p1-terminus
| ||||||||||||||||
Price history
listed seller prices, input and output per 1M tokens Input Output
Cost calculator
estimate your monthly spend on this model$134
estimated / month
Model IDs
copy the exact identifier for your platformdeepinfra/deepseek-ai/DeepSeek-V3.1-Terminusnovita/deepseek/deepseek-v3.1-terminusdeepseek/deepseek-v3.1-terminusdeepseek/deepseek-v3.1-terminusfireworks_ai/accounts/fireworks/models/deepseek-v3p1-terminus
Frequently asked questions
DeepSeek V3.1 Terminus pricing, context and availabilityIs DeepSeek V3.1 Terminus still available?
DeepSeek V3.1 Terminus was deprecated on 2026-09-28, but 5 serving providers still list it.
How much does DeepSeek V3.1 Terminus cost?
DeepSeek V3.1 Terminus costs $0.27 per 1M input tokens from DeepInfra, and $1.00 per 1M output tokens from DeepInfra. Across 5 serving providers, input prices range from $0.27 to $0.56 per 1M tokens.
What is the context window of DeepSeek V3.1 Terminus?
DeepSeek V3.1 Terminus accepts up to 164K tokens of context and can return up to 164K output tokens.
Which providers serve DeepSeek V3.1 Terminus?
DeepSeek V3.1 Terminus is available from 5 serving providers, each with its own pricing and model ID. DeepInfra is currently the cheapest.
What can DeepSeek V3.1 Terminus do?
DeepSeek V3.1 Terminus supports tool use, reasoning and structured output.
Other DeepSeek models
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Listed prices from LiteLLM, OpenRouter and Vercel · last checked Oct 14, 2026
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