DeepSeek V3.1 Terminus (Non-reasoning) vs. GPT-5 mini (High)
Comparison between DeepSeek V3.1 Terminus (Non-reasoning) and GPT-5 mini (High) across intelligence, price, speed, context window and more.
For details relating to our methodology, see our Methodology page.
| Intelligence | |||
|---|---|---|---|
| Intelligence Index | 14* | 17 | |
| AA-Briefcase v1.1 | 428 | ||
| GDPval-AA v2.1 | 766 | ||
| AutomationBench-AA | 6% | ||
| Terminal-Bench 4.0 | 0% | ||
| SciCode | 39% | ||
| Humanity's Last Exam | 9% | 21% | |
| GDP.pdf | 8% | ||
| CritPt | 0% | 0% | |
| AA-Omniscience | −43 | −17 | |
| AA-LCR v1.1 | 45% | 72% | |
| Cost | |||
| Price per 1M Tokens | $0.2485 | $0.2675 | |
| Input Price per 1M Tokens | $0.27 | $0.25 | |
| Output Price per 1M Tokens | $1.00 | $2.00 | |
| Cache Hit Price per 1M Tokens | $0.135 | $0.025 | |
| Cost per Task | $0.05 | ||
| Cost to Run Intelligence Index | $189 | ||
| Token Use | |||
| Output Tokens per Task | 17k | ||
| Reasoning Tokens per Task | 12k | ||
| Output Tokens to Run Intelligence Index | 74M | ||
| Performance | |||
| Output Speed | 61 tokens/s | 118 tokens/s | |
| Time to First Token | 0.77s | 53.45s | |
| Time to First Answer Token | 0.77s | 53.45s | |
| End-to-End Response Time | 8.98s | 57.68s | |
| Time per Task | 137.83s | ||
| Technical specifications | |||
| Context Window | 128k tokens~192 A4 pages of size 12 Arial font | 400k tokens~600 A4 pages of size 12 Arial font | |
| Release Date | September 2025 | August 2025 | |
| Knowledge Cutoff | May 2024 | ||
| Total parameters | 685B | ||
| Active parameters | 37B | ||
| Reasoning | No | Yes | |
| Input modality | Supports: text | Supports: text and image | |
| Output modality | Supports: text | Supports: text | |
| Open Source (Weights) | No | ||
| License | |||
| License Supports Commercial Use Without Restrictions | Yes | ||
* Estimated
Intelligence
Artificial Analysis Intelligence Index
Artificial Analysis Intelligence Index by Open Weights / Proprietary
Intelligence Index vs. Cost per Task
Cost per Task (USD, Log Scale)
Measures the performance of models on specific capabilities and industries
Artificial Analysis Finance & Accounting Index
Evaluations
Agentic knowledge work, Elo
Knowledge
1 - hallucination rate
Agentic SaaS workflows
Agentic real-world work tasks, Elo
Reasoning & knowledge
Professional document reasoning, All-pass
Agentic coding & terminal use
Long context reasoning
Coding
Physics reasoning
Agentic scientific research workflows in a terminal
Agentic software engineering in open-source repositories
Quantitative analysis on spreadsheets & documents
Legal agentic work, Hallucination-Gated All-Pass Rate
Agentic business operations
Agentic interactive 3D experiences, Elo
Kubernetes incident root-cause analysis
Medical long context reasoning
Visual reasoning
Rich, varied, well-crafted language
Well-structured, scannable, answer-first
Truthful, acknowledges uncertainty, non-sycophantic
Use of filler and generic language
AA-Briefcase v1.1
AA-Briefcase Elo
AA-Omniscience
AA-Omniscience Index
Openness Index
Artificial Analysis Openness Index: Score
Intelligence Index Comparisons
Intelligence Index vs. Cost per Task
Cost per Task (USD, Log Scale)
Token Use
Output Tokens per Intelligence Index Task
Cost
Cost per Intelligence Index Task
Cost to Run Artificial Analysis Intelligence Index
Pricing: Cache Hit, Input, and Output
Context Window
Context Window
Speed
Measured by Output Speed (tokens per second)
Output Speed
Time per Intelligence Index Task
Latency
Measured by Time (seconds) to First Token
Latency: Time To First Answer Token
End-to-End Response Time
Seconds to output 500 tokens, calculated based on time to first token, 'thinking' time for reasoning models, and output speed
End-to-End Response Time
Model Size (Open Weights Models Only)
Model Size: Total and Active Parameters
Frequently Asked Questions
GPT-5 mini (High) is more intelligent. GPT-5 mini (High) scores 17, compared with DeepSeek V3.1 Terminus (Non-reasoning) at 14 (estimated) on the Artificial Analysis Intelligence Index.
GPT-5 mini (High) is faster. GPT-5 mini (High) generates 118.2 tokens per second, compared with DeepSeek V3.1 Terminus (Non-reasoning) at 60.9 tokens per second.
DeepSeek V3.1 Terminus (Non-reasoning) is cheaper. DeepSeek V3.1 Terminus (Non-reasoning) costs $0.25 per 1M tokens, compared with GPT-5 mini (High) at $0.27 per 1M tokens (7:2:1 cache hit/input/output ratio).
DeepSeek V3.1 Terminus (Non-reasoning) has lower latency. DeepSeek V3.1 Terminus (Non-reasoning) has a time to first token of 0.77s, compared with GPT-5 mini (High) at 53.45s.
GPT-5 mini (High) has a larger context window. GPT-5 mini (High) supports 400k tokens, compared with DeepSeek V3.1 Terminus (Non-reasoning) at 130k tokens.