API cost decision in 10 seconds

DeepSeek V3.1 Terminus vs Qwen3 Coder 30B A3B Instruct

Pick Qwen3 Coder 30B A3B Instruct for lower cost; pick DeepSeek V3.1 Terminus only if the larger context window matters more.

Page updated: 2026-05-26T15:08:08Z Data confirmed: 2026-05-26T19:08:13Z Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output

Budget verdict

Pick Qwen3 Coder 30B A3B Instruct for lower cost; pick DeepSeek V3.1 Terminus only if the larger context window matters more.

On the standard 1M input plus 500K output workload, Qwen3 Coder 30B A3B Instruct is estimated at $0.21 vs $0.74 for DeepSeek V3.1 Terminus, saving $0.54 (72.5% lower).

Cost-first pickQwen3 Coder 30B A3B Instruct

Context-first pickDeepSeek V3.1 Terminus

Sample savings$0.5472.5%

10x traffic gap$5.4

DeepSeek V3.1 Terminus has more context, but Qwen3 Coder 30B A3B Instruct saves $0.54 on the standard workload. At 10x that traffic, the same price gap is about $5.4. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

Qwen3 Coder 30B A3B Instruct stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shape	Token mix	Better pick	DeepSeek V3.1 Terminus	Qwen3 Coder 30B A3B Instruct
Input-heavy / RAG	5M input + 500K output	Qwen3 Coder 30B A3B Instruct	$1.83	$0.49
Balanced workload	1M input + 1M output	Qwen3 Coder 30B A3B Instruct	$1.22	$0.34
Output-heavy chatbot	1M input + 5M output	Qwen3 Coder 30B A3B Instruct	$5.02	$1.42

Cheaper input Qwen3 Coder 30B A3B Instruct $0.27 vs $0.07 / 1M

Qwen3 Coder 30B A3B Instruct is $0.2 cheaper per 1M input tokens (74.1% lower; 3.86x difference).

Cheaper output Qwen3 Coder 30B A3B Instruct $0.95 vs $0.27 / 1M

Qwen3 Coder 30B A3B Instruct is $0.68 cheaper per 1M output tokens (71.6% lower; 3.52x difference).

Larger context DeepSeek V3.1 Terminus 163.84K vs 160K

DeepSeek V3.1 Terminus has 3.84K more context (1.02x larger).

Sample workload Qwen3 Coder 30B A3B Instruct $0.74 vs $0.21

Qwen3 Coder 30B A3B Instruct is $0.54 cheaper on the standard workload (72.5% lower).

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.

Monthly input tokens Monthly output tokens

DeepSeek V3.1 Terminus Calculating… Estimated API cost

Qwen3 Coder 30B A3B Instruct Calculating… Estimated API cost

Cheaper for this workload Calculating… Difference: calculating…

This estimate uses normalized public API pricing per 1M tokens. It is a planning aid, not a billing quote. Verify provider pricing, limits, and terms before production use.

Quick Decision

Verdict

Qwen3 Coder 30B A3B Instruct has the lower input price; Qwen3 Coder 30B A3B Instruct has the lower output price; DeepSeek V3.1 Terminus offers the larger context window. For the 1M input plus 500K output sample, Qwen3 Coder 30B A3B Instruct is cheaper for the standard workload.

For a 1M input token plus 500K output token workload, the estimated API cost is $0.74 for DeepSeek V3.1 Terminus and $0.21 for Qwen3 Coder 30B A3B Instruct.

Best Fit

Choose DeepSeek V3.1 Terminus when you care most about larger context window.

Choose Qwen3 Coder 30B A3B Instruct when you care most about lower input-token price, and lower output-token price.

Decision Notes

On the standard 1M input plus 500K output workload, Qwen3 Coder 30B A3B Instruct is estimated at $0.21 vs $0.74 for DeepSeek V3.1 Terminus, saving $0.54 (72.5% lower).
Qwen3 Coder 30B A3B Instruct is $0.54 cheaper on the standard workload (72.5% lower).
Qwen3 Coder 30B A3B Instruct is $0.2 cheaper per 1M input tokens (74.1% lower; 3.86x difference).
Qwen3 Coder 30B A3B Instruct is $0.68 cheaper per 1M output tokens (71.6% lower; 3.52x difference).
DeepSeek V3.1 Terminus has 3.84K more context (1.02x larger).

Head-to-Head Specs

Feature	DeepSeek V3.1 Terminus (DeepSeek)	Qwen3 Coder 30B A3B Instruct (Qwen)
Input Price prompt tokens per 1M	$0.27	$0.07
Completion Price per 1M tokens	$0.95	$0.27
Sample Workload Cost 1M input + 500K output	$0.74	$0.21
Context Window	163.84K	160K
Release Date	2025-09-22	2025-07-31
Popularity	#91	#145

Use-Case Decision Matrix

Use case	Better pick	Why
Budget-constrained production	Qwen3 Coder 30B A3B Instruct	On the standard 1M input plus 500K output workload, Qwen3 Coder 30B A3B Instruct is estimated at $0.21 vs $0.74 for DeepSeek V3.1 Terminus, saving $0.54 (72.5% lower).
High-volume input processing	Qwen3 Coder 30B A3B Instruct	Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbots	Qwen3 Coder 30B A3B Instruct	Lower output-token price matters most when assistants generate many completion tokens.
RAG or long-document work	DeepSeek V3.1 Terminus	A larger context window leaves more room for retrieved passages, conversation history, or source files.

Related Alternatives

Same-provider lower-cost swaps

DeepSeek V4 Flash (free) can replace DeepSeek V3.1 Terminus when lower sample workload cost matters most: $0.
DeepSeek V4 Flash can replace DeepSeek V3.1 Terminus when lower sample workload cost matters most: $0.2.
R1 Distill Qwen 32B can replace DeepSeek V3.1 Terminus when lower sample workload cost matters most: $0.43.
DeepSeek V3.2 can replace DeepSeek V3.1 Terminus when lower sample workload cost matters most: $0.44.

Larger context near this budget

Llama 4 Scout offers 10M context with $0.23 sample workload cost.
Owl Alpha offers 1.05M context with $0 sample workload cost.
DeepSeek V4 Flash offers 1.05M context with $0.2 sample workload cost.
DeepSeek V4 Pro offers 1.05M context with $0.87 sample workload cost.

Popular competitors

DeepSeek V4 Flash · DeepSeek · #1
Hy3 preview · Tencent · #2
Claude Opus 4.7 · Anthropic · #3
Claude Sonnet 4.6 · Anthropic · #4

Cheaper alternatives

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Larger context alternatives

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Provider catalogs

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DeepSeek catalog

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Qwen catalog

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DeepSeek V3.1 Terminus

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Qwen3 Coder 30B A3B Instruct

Qwen3-Coder-30B-A3B-Instruct is a 30.5B parameter Mixture-of-Experts (MoE) model with 128 experts (8 active per forward pass), designed for advanced code generation, repository-scale understanding, and agentic tool use. Built on the...