All models

Llama 3.3 70B Instruct vs Step 3.5 Flash

Llama 3.3 70B Instruct at $0.115 in and $0.368 out and Step 3.5 Flash at $0.115 in and $0.345 out — per million tokens, from the same wallet.

M

Llama 3.3 70B Instruct

Meta

0.09¢

for a client proposal

$0.115 in · $0.368 out / 1M

131K context · released December 2024

Full page →
S

Step 3.5 Flash

StepFun

0.09¢

for a client proposal

$0.115 in · $0.345 out / 1M

262K context · released 6 months ago

Full page →

Asking all both at once — identical prompt, identical context — costs about 0.17¢ for a typical client proposal.

At a glance

  • All 2 cost the same on input.
  • Cheapest output: Step 3.5 Flash at $0.345 per million tokens.
  • Largest context: Step 3.5 Flash at 262K tokens — about 370 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
Llama 3.3 70B Instruct
0.04¢
Step 3.5 Flash
0.04¢

Draft a client proposal from notes

5K in · 800 out
Llama 3.3 70B Instruct
0.09¢
Step 3.5 Flash
0.09¢

Context-heavy session (Alyph workspace)

155K in · 4K out
Llama 3.3 70B Instruct
needs 155K ctx
Step 3.5 Flash
1.9¢

Analyze a 50-page legal contract

35K in · 1K out
Llama 3.3 70B Instruct
0.44¢
Step 3.5 Flash
0.44¢

Large architecture refactor

250K in · 3K out
Llama 3.3 70B Instruct
needs 250K ctx
Step 3.5 Flash
3¢

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
free$0.08$0.170 tokens250k500k750k1000k
Llama 3.3 70B Instruct
Step 3.5 Flash

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

Pricing

Llama 3.3 70B Instruct
Step 3.5 Flash
Input / 1M tokens
$0.115
$0.115
Output / 1M tokens
$0.368
$0.345

Specs

Llama 3.3 70B Instruct
Step 3.5 Flash
Provider
Meta
StepFun
Released
December 2024
6 months ago
Context window
131K
262K
Max output
16K
66K
Input
Text
Text
Output
Text
Text
Reasoning
Answers directly
Shows its thinking
Knowledge cutoff
2023-12-31
—

Try it with real numbers

2K tokens in · 500 tokens out.

Llama 3.3 70B Instruct

Meta

0.04¢

for this task

56% input · 44% output

Full pricing →

Step 3.5 Flash

StepFun

0.04¢

for this task

57% input · 43% output

Full pricing →

All 2, same prompt and context: 0.08¢. That is the entire cost of the comparison.

Your $5 welcome credit covers about 6,123 of these.

Which should you pick?

For long documents, Step 3.5 Flash has the largest context window here — 262K tokens.

On price, Step 3.5 Flash is the cheapest of the two on a typical task, at about 0.09¢.

If you want to watch the model think, Step 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 →

Llama 3.3 70B Instruct pricing →Step 3.5 Flash pricing →Add Lyria 3 Clip PreviewAdd Grok 4.20

Questions, answered

Which is cheaper, Llama 3.3 70B Instruct or Step 3.5 Flash?

On a typical client proposal (5K tokens in, 800 out): Step 3.5 Flash at 0.09¢; Llama 3.3 70B Instruct at 0.09¢. Long prompts can change the order when long-context rates apply.

Which has the largest context window?

Step 3.5 Flash — 262K tokens, about 370 pages.

Can I run Llama 3.3 70B Instruct and Step 3.5 Flash 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 0.17¢ for a typical task.

Ask both at once

Identical prompt, identical context, answers side by side — about 0.17¢ for a typical client proposal. Free to start, with $5 of credit.

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