Gemini 3.5 Flash vs Mixtral 8x22B Instruct

Gemini 3.5 Flash at $1.73 in and $10.35 out and Mixtral 8x22B Instruct at $2.30 in and $6.90 out — per million tokens, from the same wallet.

Gemini 3.5 Flash

Google

1.7¢

for a client proposal

$1.73 in · $10.35 out / 1M

1.05M context · released 3 months ago

Full page →

Mixtral 8x22B Instruct

Mistral AI

1.7¢

for a client proposal

$2.30 in · $6.90 out / 1M

66K context · released April 2024

Full page →

Asking all both at once — identical prompt, identical context — costs about 3.4¢ for a typical client proposal.

At a glance

Cheapest input: Gemini 3.5 Flash at $1.73 per million tokens.
Cheapest output: Mixtral 8x22B Instruct at $6.90 per million tokens.
Largest context: Gemini 3.5 Flash 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

Gemini 3.5 Flash

0.86¢

Mixtral 8x22B Instruct

0.8¢

Draft a client proposal from notes

5K in · 800 out

Gemini 3.5 Flash

1.7¢

Mixtral 8x22B Instruct

1.7¢

Context-heavy session (Alyph workspace)

155K in · 4K out

Gemini 3.5 Flash

$0.31

Mixtral 8x22B Instruct

needs 155K ctx

Analyze a 50-page legal contract

35K in · 1K out

Gemini 3.5 Flash

$0.07

Mixtral 8x22B Instruct

$0.09

Large architecture refactor

250K in · 3K out

Gemini 3.5 Flash

$0.46

Mixtral 8x22B 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

Gemini 3.5 Flash

Mixtral 8x22B Instruct

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

Pricing

Gemini 3.5 Flash

Mixtral 8x22B Instruct

Input / 1M tokens

$1.73

$2.30

Output / 1M tokens

$10.35

$6.90

Cached input / 1M

$0.172

$0.230

Web search

1.6¢ / search

—

Specs

Gemini 3.5 Flash

Mixtral 8x22B Instruct

Provider

Google

Mistral AI

Released

3 months ago

April 2024

Context window

1.05M

66K

Max output

66K

—

Input

Text, Images, Video, Files, and Audio

Text and Files

Output

Text

Reasoning

Shows its thinking

Answers directly

Knowledge cutoff

2025-01-01

2024-01-31

Try it with real numbers

2K tokens in · 500 tokens out.

Gemini 3.5 Flash

Google

0.86¢

for this task

40% input · 60% output

Full pricing →

Mixtral 8x22B Instruct

Mistral AI

0.8¢

for this task

57% input · 43% output

Full pricing →

All 2, same prompt and context: 1.7¢. That is the entire cost of the comparison.

Your $5 welcome credit covers about 299 of these.

Which should you pick?

For long documents, Gemini 3.5 Flash has the largest context window here — 1.05M tokens.

On price, Gemini 3.5 Flash is the cheapest of the two on a typical task, at about 1.7¢.

If you want to watch the model think, Gemini 3.5 Flash 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 →

Gemini 3.5 Flash pricing →Mixtral 8x22B Instruct pricing →Add Lyria 3 Clip Preview Add Grok 4.20

Questions, answered

Which is cheaper, Gemini 3.5 Flash or Mixtral 8x22B Instruct?

On a typical client proposal (5K tokens in, 800 out): Gemini 3.5 Flash at 1.7¢; Mixtral 8x22B Instruct at 1.7¢. Long prompts can change the order when long-context rates apply.

Which has the largest context window?

Gemini 3.5 Flash — 1.05M tokens, about 1,500 pages.

Can I run Gemini 3.5 Flash and Mixtral 8x22B 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 3.4¢ for a typical task.

Ask both at once

Identical prompt, identical context, answers side by side — about 3.4¢ for a typical client proposal. Free to start, with $5 of credit.