Mistral Medium 3 vs GPT-3.5 Turbo

Mistral Medium 3 at $0.460 in and $2.30 out and GPT-3.5 Turbo at $0.575 in and $1.73 out — per million tokens, from the same wallet.

Mistral Medium 3

Mistral AI

0.41¢

for a client proposal

$0.460 in · $2.30 out / 1M

131K context · released May 2025

Full page →

GPT-3.5 Turbo

OpenAI

0.43¢

for a client proposal

$0.575 in · $1.73 out / 1M

16K context · released May 2023

Full page →

Asking all both at once — identical prompt, identical context — costs about 0.84¢ for a typical client proposal.

At a glance

Cheapest input: Mistral Medium 3 at $0.460 per million tokens.
Cheapest output: GPT-3.5 Turbo at $1.73 per million tokens.
Largest context: Mistral Medium 3 at 131K tokens — about 190 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

Mistral Medium 3

0.21¢

GPT-3.5 Turbo

0.2¢

Draft a client proposal from notes

5K in · 800 out

Mistral Medium 3

0.41¢

GPT-3.5 Turbo

0.43¢

Context-heavy session (Alyph workspace)

155K in · 4K out

Mistral Medium 3

needs 155K ctx

GPT-3.5 Turbo

needs 155K ctx

Analyze a 50-page legal contract

35K in · 1K out

Mistral Medium 3

1.8¢

GPT-3.5 Turbo

needs 35K ctx

Large architecture refactor

250K in · 3K out

Mistral Medium 3

needs 250K ctx

GPT-3.5 Turbo

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

Mistral Medium 3

GPT-3.5 Turbo

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

Pricing

Mistral Medium 3

GPT-3.5 Turbo

Input / 1M tokens

$0.460

$0.575

Output / 1M tokens

$2.30

$1.73

Cached input / 1M

$0.046

—

Specs

Mistral Medium 3

GPT-3.5 Turbo

Provider

Mistral AI

OpenAI

Released

May 2025

May 2023

Context window

131K

16K

Max output

—

Input

Text, Images, and Files

Text

Output

Text

Reasoning

Answers directly

Knowledge cutoff

2025-03-31

2021-09-30

Try it with real numbers

2K tokens in · 500 tokens out.

Mistral Medium 3

Mistral AI

0.21¢

for this task

44% input · 56% output

Full pricing →

GPT-3.5 Turbo

OpenAI

0.2¢

for this task

57% input · 43% output

Full pricing →

All 2, same prompt and context: 0.41¢. That is the entire cost of the comparison.

Your $5 welcome credit covers about 1,224 of these.

Which should you pick?

For long documents, Mistral Medium 3 has the largest context window here — 131K tokens.

On price, Mistral Medium 3 is the cheapest of the two on a typical task, at about 0.41¢.

For images or files, Mistral Medium 3 can read them directly; GPT-3.5 Turbo is text-only.

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 →

Mistral Medium 3 pricing →GPT-3.5 Turbo pricing →Add Lyria 3 Clip Preview Add Grok 4.20

Questions, answered

Which is cheaper, Mistral Medium 3 or GPT-3.5 Turbo?

On a typical client proposal (5K tokens in, 800 out): Mistral Medium 3 at 0.41¢; GPT-3.5 Turbo at 0.43¢. Long prompts can change the order when long-context rates apply.

Which has the largest context window?

Mistral Medium 3 — 131K tokens, about 190 pages.

Can I run Mistral Medium 3 and GPT-3.5 Turbo 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 0.84¢ for a typical task.

Ask both at once

Identical prompt, identical context, answers side by side — about 0.84¢ for a typical client proposal. Free to start, with $5 of credit.