DeepSeek V3.1 Terminus
DeepSeek · text → text
DeepSeek-V3.1 non-thinking mode has now been updated to the DeepSeek-V3.1-Terminus version.
Input$0.56 /M
Output$1.68 /M
← ModelsDeepSeek V3.1 Terminus
Qwen3.8 Max Preview
DeepSeek V3.1 Terminus vs Qwen3.8 Max Preview
Compare DeepSeek V3.1 Terminus from DeepSeek and Qwen3.8 Max Preview from Qwen on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the AIHubMix API.
DeepSeek V3.1 TerminusQwen3.8 Max Preview+ Add model · 2/4
Qwen3.8 Max Preview
Qwen · text, image → text
Qwen 3.8 Max Preview(Qwen3.8-Max-Preview) is the latest-generation foundation model in the Qwen family, packing 2.4T parameters and still evolving. Compared with the previous flagship Qwen 3.7 Max, it delivers major gains in core capabilities like Coding and Cowork (professional productivity), with world-leading performance on complex, long-horizon tasks such as full-stack development, data analysis, and Office workflows. Launch offer: Credits are consumed at just 20% of the standard rate, effectively 5× your usage. Limited time only.
Input$0.338 /M
Output$1.014 /M
Cache read$0.0338 /M
Pricing & Specifications
Prices are per million tokens. Time to First Token and throughput are rolling averages measured on AIHubMix.
DeepSeek V3.1 Terminus
Qwen3.8 Max Preview
Input /M
$0.56
$0.338
Output /M
$1.68
$1.014
Cache read /M
-
$0.0338
Context length
160,000
983,616
Max output
32,000
131,072
Time to First Token
1.3 s
2.4 s
Throughput
31.5 tok/s
48.1 tok/s
Modalities
text
textimage
Supported Parameters
toolsfunction callingstructured outputs
toolsfunction callingstructured outputsweblong contextthinking
API Formats
Released
-
-
Promotional prices show the discounted rate; see each model page for promotion windows.
Activity Past 30 Days
Daily traffic served through AIHubMix — how demand for each model is trending.
DeepSeek-V3.1-Terminusqwen3.8-max-preview
Tokens / day
-
Requests / day
-
Performance Past 3 Days
Measured on real AIHubMix traffic, hourly buckets. Gaps mean no traffic in that hour.
DeepSeek-V3.1-Terminusqwen3.8-max-preview
Throughput (tok/s)
-
TTFT (s)
-
Uptime (%)
-
LMArena Benchmarks
LMArena ratings by capability (Bradley-Terry, commonly called Elo). Higher is better.
Text
DeepSeek-V3.1-Terminusqwen3.8-max-preview
1360142014801540
Overall
14161480
Coding
14391520
Math
13951497
Hard prompts
14241502
Instruction following
13941477
Multi-turn
13941493
Creative writing
14081466
Longer query
14191492
Chinese
15361536
English
14231488
Source: LMArena (arena.ai) leaderboard, imported by AIHubMix. Models without published ratings are omitted per chart.
Cost calculator
Estimate your monthly bill for the same workload on each model.
Qwen3.8 Max Preview
$35.49 /mo
DeepSeek V3.1 Terminus
$58.80 /mo
Monthly = daily × 30. Discounted rates applied where a promotion is active.
FAQ
Which is cheaper: DeepSeek V3.1 Terminus, Qwen3.8 Max Preview?
Qwen3.8 Max Preview: $1.014/M output tokens; DeepSeek V3.1 Terminus: $1.68/M. Use the cost calculator above to estimate your own workload.
How do their coding arena scores compare?
Qwen3.8 Max Preview: 1520; DeepSeek V3.1 Terminus: 1439 (LMArena coding leaderboard).
Which responds faster?
DeepSeek V3.1 Terminus: 1.3s time to first token measured on AIHubMix; see the live performance charts above for how each model behaves across the day.
How large is each context window?
DeepSeek V3.1 Terminus accepts 160,000 and Qwen3.8 Max Preview accepts 983,616 input tokens. Maximum output per request is 32,000 tokens on DeepSeek V3.1 Terminus and 131,072 tokens on Qwen3.8 Max Preview.
Which one generates tokens faster?
Qwen3.8 Max Preview at 48.1 tok/s and DeepSeek V3.1 Terminus at 31.5 tok/s, measured as output throughput on AIHubMix — a separate metric from time to first token.
What inputs and capabilities does each model support?
DeepSeek V3.1 Terminus accepts text input and supports tool calling, function calling and structured outputs; Qwen3.8 Max Preview accepts text and image input and supports tool calling, function calling, structured outputs, web search, long context and thinking.
Can I call DeepSeek V3.1 Terminus and Qwen3.8 Max Preview with the same API key?
Yes. AIHubMix serves every model on this page behind one OpenAI-compatible endpoint, so switching between them is a one-line change to the model field — no second account, key or SDK.
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