All models

Gemma 3 4B vs Llama 3.1 8B Instruct

Gemma 3 4B at $0.058 in and $0.115 out and Llama 3.1 8B Instruct at $0.058 in and $0.092 out — per million tokens, from the same wallet.

Gemma 3 4B

Google

0.04¢

for a client proposal

$0.058 in · $0.115 out / 1M

131K context · released March 2025

Full page →
M

Llama 3.1 8B Instruct

Meta

0.04¢

for a client proposal

$0.058 in · $0.092 out / 1M

131K context · released July 2024

Full page →

Asking all both at once — identical prompt, identical context — costs about 0.07¢ for a typical client proposal.

At a glance

  • All 2 cost the same on input.
  • Cheapest output: Llama 3.1 8B Instruct at $0.092 per million tokens.
  • Identical context windows: 131K tokens each.

Cost per task

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

Quick code fix

2K in · 500 out
Gemma 3 4B
0.02¢
Llama 3.1 8B Instruct
0.02¢

Draft a client proposal from notes

5K in · 800 out
Gemma 3 4B
0.04¢
Llama 3.1 8B Instruct
0.04¢

Context-heavy session (Alyph workspace)

155K in · 4K out
Gemma 3 4B
needs 155K ctx
Llama 3.1 8B Instruct
needs 155K ctx

Analyze a 50-page legal contract

35K in · 1K out
Gemma 3 4B
0.21¢
Llama 3.1 8B Instruct
0.21¢

Large architecture refactor

250K in · 3K out
Gemma 3 4B
needs 250K ctx
Llama 3.1 8B 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
free3.5¢$0.070 tokens250k500k750k1000k
Gemma 3 4B
Llama 3.1 8B Instruct

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

Pricing

Gemma 3 4B
Llama 3.1 8B Instruct
Input / 1M tokens
$0.058
$0.058
Output / 1M tokens
$0.115
$0.092
Cached input / 1M
—
$0.029

Specs

Gemma 3 4B
Llama 3.1 8B Instruct
Provider
Google
Meta
Released
March 2025
July 2024
Context window
131K
131K
Max output
16K
131K
Input
Text and Images
Text
Output
Text
Text
Reasoning
Answers directly
Answers directly
Knowledge cutoff
2024-08-31
2023-12-31

Try it with real numbers

2K tokens in · 500 tokens out.

Gemma 3 4B

Google

0.02¢

for this task

67% input · 33% output

Full pricing →

Llama 3.1 8B Instruct

Meta

0.02¢

for this task

71% input · 29% output

Full pricing →

All 2, same prompt and context: 0.03¢. That is the entire cost of the comparison.

Your $5 welcome credit covers about 14,992 of these.

Which should you pick?

On price, Llama 3.1 8B Instruct is the cheapest of the two on a typical task, at about 0.04¢.

For images or files, Gemma 3 4B can read them directly; Llama 3.1 8B Instruct 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 →

Gemma 3 4B pricing →Llama 3.1 8B Instruct pricing →Add Lyria 3 Clip PreviewAdd Grok 4.20

Questions, answered

Which is cheaper, Gemma 3 4B or Llama 3.1 8B Instruct?

On a typical client proposal (5K tokens in, 800 out): Llama 3.1 8B Instruct at 0.04¢; Gemma 3 4B at 0.04¢. Long prompts can change the order when long-context rates apply.

Which has the largest context window?

They are identical — 131K tokens each, about 190 pages.

Can I run Gemma 3 4B and Llama 3.1 8B 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 0.07¢ for a typical task.

Ask both at once

Identical prompt, identical context, answers side by side — about 0.07¢ for a typical client proposal. Free to start, with $5 of credit.

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