MiniMax M2.5 vs Qwen3 Coder Flash vs Grok 4.20

MiniMax M2.5 at $0.253 in and $1.03 out, Qwen3 Coder Flash at $0.224 in and $1.12 out, and Grok 4.20 at $1.44 in and $2.88 out — per million tokens, from the same wallet.

MiniMax M2.5

MiniMax

0.21¢

for a client proposal

$0.253 in · $1.03 out / 1M

197K context · released 6 months ago

Full page →

Qwen3 Coder Flash

Qwen

0.2¢

for a client proposal

$0.224 in · $1.12 out / 1M

1M context · released September 2025

Full page →

Grok 4.20

xAI

0.95¢

for a client proposal

$1.44 in · $2.88 out / 1M

2M context · released 4 months ago

Full page →

Asking all three at once — identical prompt, identical context — costs about 1.4¢ for a typical client proposal.

At a glance

Cheapest input: Qwen3 Coder Flash at $0.224 per million tokens.
Cheapest output: MiniMax M2.5 at $1.03 per million tokens.
Largest context: Grok 4.20 at 2M tokens — about 2,900 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

MiniMax M2.5

0.1¢

Qwen3 Coder Flash

0.1¢

Grok 4.20

0.43¢

Draft a client proposal from notes

5K in · 800 out

MiniMax M2.5

0.21¢

Qwen3 Coder Flash

0.2¢

Grok 4.20

0.95¢

Context-heavy session (Alyph workspace)

155K in · 4K out

MiniMax M2.5

4.3¢

Qwen3 Coder Flash

$0.10

Grok 4.20

$0.23

Long-context rate applied at this input size.

Analyze a 50-page legal contract

35K in · 1K out

MiniMax M2.5

0.99¢

Qwen3 Coder Flash

1.5¢

Grok 4.20

$0.05

Long-context rate applied at this input size.

Large architecture refactor

250K in · 3K out

MiniMax M2.5

needs 250K ctx

Qwen3 Coder Flash

$0.16

Grok 4.20

$0.74

Long-context rate applied at this input size.

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

MiniMax M2.5

Qwen3 Coder Flash

Grok 4.20

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

Pricing

MiniMax M2.5

Qwen3 Coder Flash

Grok 4.20

Input / 1M tokens

$0.253

$0.224

$1.44

Output / 1M tokens

$1.03

$1.12

$2.88

Cached input / 1M

$0.058

$0.045

$0.230

Web search

—

0.57¢ / search

Specs

MiniMax M2.5

Qwen3 Coder Flash

Grok 4.20

Provider

MiniMax

Qwen

xAI

Released

6 months ago

September 2025

4 months ago

Context window

197K

Max output

197K

66K

—

Input

Text

Text, Images, and Files

Output

Text

Reasoning

Shows its thinking

Answers directly

Shows its thinking

Knowledge cutoff

—

2025-06-30

2025-09-01

Try it with real numbers

2K tokens in · 500 tokens out.

MiniMax M2.5

MiniMax

0.1¢

for this task

49% input · 51% output

Full pricing →

Qwen3 Coder Flash

Qwen

0.1¢

for this task

44% input · 56% output

Full pricing →

Grok 4.20

xAI

0.43¢

for this task

67% input · 33% output

Full pricing →

All 3, same prompt and context: 0.63¢. That is the entire cost of the comparison.

Your $5 welcome credit covers about 788 of these.

Which should you pick?

For long documents, Grok 4.20 has the largest context window here — 2M tokens.

On price, Qwen3 Coder Flash is the cheapest of the three on a typical task, at about 0.2¢.

For images or files, Grok 4.20 can read them directly; MiniMax M2.5 and Qwen3 Coder Flash are text-only.

If you want to watch the model think, MiniMax M2.5 and Grok 4.20 show reasoning; the other answers directly.

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

MiniMax M2.5 pricing →Qwen3 Coder Flash pricing →Grok 4.20 pricing →Try other combinations →

Questions, answered

Which is cheapest — MiniMax M2.5, Qwen3 Coder Flash, or Grok 4.20?

On a typical client proposal (5K tokens in, 800 out): Qwen3 Coder Flash at 0.2¢; MiniMax M2.5 at 0.21¢; Grok 4.20 at 0.95¢. Long prompts can change the order when long-context rates apply.

Which has the largest context window?

Grok 4.20 — 2M tokens, about 2,900 pages.

Can I run MiniMax M2.5, Qwen3 Coder Flash, and Grok 4.20 side by side on Alyph?

Yes — that is what Alyph is built for: the identical prompt with identical context to all 3, answers rendered side by side, billed from one wallet. This exact combination costs about 1.4¢ for a typical task.

Ask all three at once

Identical prompt, identical context, answers side by side — about 1.4¢ for a typical client proposal. Free to start, with $5 of credit.