DeepSeek V3.1 Terminus vs Qwen3.6 Plus, API pricing and model comparison

Compare DeepSeek V3.1 Terminus vs Qwen3.6 Plus side by side by input/output token price, context window, benchmark signals, capabilities, and example monthly API cost.

Quick comparison summary

This page compares DeepSeek V3.1 Terminus vs Qwen3.6 Plus in one matrix. Current records: DeepSeek V3.1 Terminus on OpenRouter: $0.27/$0.95 per 1M tokens, 164K context window; Qwen3.6 Plus on OpenRouter: $0.325/$1.95 per 1M tokens, 1000K context window. Prices are estimates—verify official provider pages before production use.

V3.1 Terminus

deepseek/deepseek-v3.1-terminus

OpenRouter

Input: $0.2700 / 1M
Output: $0.9500 / 1M
Context: 163.8k
Model page: Details

Qwen3.6 Plus

qwen/qwen3.6-plus

OpenRouter

Input: $0.3250 / 1M
Output: $1.95 / 1M
Context: 1m
Model page: Details

Comparison matrixLLM Table

Models to compare2/4

Model 1

163.8K

Select model344 models

Model 2

Select model344 models

DeepSeek: DeepSeek V3.1 Terminus

OpenRouter

Cheapest (this scenario)

Input

$0.2700 / 1M

Output

$0.9500 / 1M

Context

163.8K

Monthly cost

$55.50

Benchmark

1,418LMArena Text Arena

ToolsJSONReasoningLong context

Qwen: Qwen3.6 Plus

OpenRouter

Input

$0.3250 / 1M

Output

$1.95 / 1M

Context

1MLargest context

Monthly cost

$91.00

Benchmark

1,444Top benchmarkLMArena Text Arena

VisionToolsJSONReasoningLong context

DeepSeek: DeepSeek V3.1 Terminus

OpenRouter

Qwen: Qwen3.6 Plus

OpenRouter

Input

$0.2700 / 1MCheapest (this scenario)

$0.3250 / 1M

Output

$0.9500 / 1MCheapest (this scenario)

$1.95 / 1M

Context

163.8K

1MLargest context

Benchmark

1,418

LMArena Text Arena

1,444Top benchmark

LMArena Text Arena

Monthly cost

$55.50Cheapest (this scenario)

$91.00

Capabilities

ToolsJSONReasoningLong context

VisionToolsJSONReasoningLong context

FAQ

Model comparison notes

How do DeepSeek V3.1 Terminus vs Qwen3.6 Plus API prices compare?

Compare input and output prices per 1M tokens side by side. The same underlying model can list different prices by route (Direct API vs OpenRouter); this table uses the selected route records.

Which model looks cheaper?

Scenario cost depends on your input/output mix. The example monthly cost in the table uses default token volumes—adjust with the cost calculator for your traffic.

Are benchmark scores included?

Independent or provider-reported benchmark signals appear when available. Benchmarks do not replace price analysis—evaluate both for your quality requirements.

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