DeepSeek V4 Flash 0731 vs Qwen3 Coder 30B A3B Instruct

DeepSeek V4 Flash 0731 at $0.103 in and $0.207 out and Qwen3 Coder 30B A3B Instruct at $0.081 in and $0.310 out — per million tokens, from the same wallet.

DeepSeek V4 Flash 0731

DeepSeek

0.07¢

for a client proposal

$0.103 in · $0.207 out / 1M

1.05M context · released 1 week ago

Full page →

Qwen3 Coder 30B A3B Instruct

Qwen

0.07¢

for a client proposal

$0.081 in · $0.310 out / 1M

160K context · released July 2025

Full page →

Asking all both at once — identical prompt, identical context — costs about 0.13¢ for a typical client proposal.

At a glance

Cheapest input: Qwen3 Coder 30B A3B Instruct at $0.081 per million tokens.
Cheapest output: DeepSeek V4 Flash 0731 at $0.207 per million tokens.
Largest context: DeepSeek V4 Flash 0731 at 1.05M tokens — about 1,500 pages.

Cost per task

Estimated totals at the rates above. Solid bar is input, lighter bar is output.

Quick code fix

2K in · 500 out

DeepSeek V4 Flash 0731

0.03¢

Qwen3 Coder 30B A3B Instruct

0.03¢

Draft a client proposal from notes

5K in · 800 out

DeepSeek V4 Flash 0731

0.07¢

Qwen3 Coder 30B A3B Instruct

0.07¢

Context-heavy session (Alyph workspace)

155K in · 4K out

DeepSeek V4 Flash 0731

1.7¢

Qwen3 Coder 30B A3B Instruct

1.4¢

Analyze a 50-page legal contract

35K in · 1K out

DeepSeek V4 Flash 0731

0.38¢

Qwen3 Coder 30B A3B Instruct

0.31¢

Large architecture refactor

250K in · 3K out

DeepSeek V4 Flash 0731

2.6¢

Qwen3 Coder 30B A3B Instruct

needs 250K ctx

Solid part of each bar is input tokens, the lighter part is output. Models that don’t fit a task are marked instead of priced.

Cost vs Token Amount

Drag the slider to adjust the split between input and output workload.

80% Input20% Output

DeepSeek V4 Flash 0731

Qwen3 Coder 30B A3B Instruct

Adjust the ratio slider to change how output tokens influence the final price for equivalent workloads.

Pricing

DeepSeek V4 Flash 0731

Qwen3 Coder 30B A3B Instruct

Input / 1M tokens

$0.103

$0.081

Output / 1M tokens

$0.207

$0.310

Cached input / 1M

$0.021

—

Specs

DeepSeek V4 Flash 0731

Qwen3 Coder 30B A3B Instruct

Provider

DeepSeek

Qwen

Released

1 week ago

July 2025

Context window

1.05M

160K

Max output

384K

33K

Input

Text

Output

Text

Reasoning

Shows its thinking

Answers directly

Knowledge cutoff

—

2025-06-30

Try it with real numbers

2K tokens in · 500 tokens out.

DeepSeek V4 Flash 0731

DeepSeek

0.03¢

for this task

67% input · 33% output

Full pricing →

Qwen3 Coder 30B A3B Instruct

Qwen

0.03¢

for this task

51% input · 49% output

Full pricing →

All 2, same prompt and context: 0.06¢. That is the entire cost of the comparison.

Your $5 welcome credit covers about 7,977 of these.

Which should you pick?

For long documents, DeepSeek V4 Flash 0731 has the largest context window here — 1.05M tokens.

On price, Qwen3 Coder 30B A3B Instruct is the cheapest of the two on a typical task, at about 0.07¢.

If you want to watch the model think, DeepSeek V4 Flash 0731 shows reasoning; the other answers directly.

Or don’t pick. Send the identical prompt to all both, read the answers side by side, and keep the winner. How to run a fair bake-off →

DeepSeek V4 Flash 0731 pricing →Qwen3 Coder 30B A3B Instruct pricing →Add Lyria 3 Clip Preview Add Grok 4.20

Questions, answered

Which is cheaper, DeepSeek V4 Flash 0731 or Qwen3 Coder 30B A3B Instruct?

On a typical client proposal (5K tokens in, 800 out): Qwen3 Coder 30B A3B Instruct at 0.07¢; DeepSeek V4 Flash 0731 at 0.07¢. Long prompts can change the order when long-context rates apply.

Which has the largest context window?

DeepSeek V4 Flash 0731 — 1.05M tokens, about 1,500 pages.

Can I run DeepSeek V4 Flash 0731 and Qwen3 Coder 30B A3B Instruct side by side on Alyph?

Yes — that is what Alyph is built for: the identical prompt with identical context to all 2, answers rendered side by side, billed from one wallet. This exact combination costs about 0.13¢ for a typical task.

Ask both at once

Identical prompt, identical context, answers side by side — about 0.13¢ for a typical client proposal. Free to start, with $5 of credit.