Claude Opus 4.7 (Fast) vs o1-pro

Claude Opus 4.7 (Fast) at $34.50 in and $172.50 out and o1-pro at $172.50 in and $690.00 out — per million tokens, from the same wallet.

Claude Opus 4.7 (Fast)

Anthropic

$0.31

for a client proposal

$34.50 in · $172.50 out / 1M

1M context · released 3 months ago

Full page →

o1-pro

OpenAI

$1.41

for a client proposal

$172.50 in · $690.00 out / 1M

200K context · released March 2025

Full page →

Asking all both at once — identical prompt, identical context — costs about $1.73 for a typical client proposal.

At a glance

Cheapest input: Claude Opus 4.7 (Fast) at $34.50 per million tokens.
Cheapest output: Claude Opus 4.7 (Fast) at $172.50 per million tokens.
Largest context: Claude Opus 4.7 (Fast) at 1M tokens — about 1,400 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

Claude Opus 4.7 (Fast)

$0.16

o1-pro

$0.69

Draft a client proposal from notes

5K in · 800 out

Claude Opus 4.7 (Fast)

$0.31

o1-pro

$1.41

Context-heavy session (Alyph workspace)

155K in · 4K out

Claude Opus 4.7 (Fast)

$6.04

o1-pro

$29.50

Analyze a 50-page legal contract

35K in · 1K out

Claude Opus 4.7 (Fast)

$1.38

o1-pro

$6.73

Large architecture refactor

250K in · 3K out

Claude Opus 4.7 (Fast)

$9.14

o1-pro

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

Claude Opus 4.7 (Fast)

o1-pro

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

Pricing

Claude Opus 4.7 (Fast)

o1-pro

Input / 1M tokens

$34.50

$172.50

Output / 1M tokens

$172.50

$690.00

Cached input / 1M

$3.45

—

Web search

1.1¢ / search

Specs

Claude Opus 4.7 (Fast)

o1-pro

Provider

Anthropic

OpenAI

Released

3 months ago

March 2025

Context window

200K

Max output

128K

100K

Input

Text, Images, and Files

Output

Text

Reasoning

Shows its thinking

Knowledge cutoff

—

2023-10-31

Try it with real numbers

2K tokens in · 500 tokens out.

Claude Opus 4.7 (Fast)

Anthropic

$0.16

for this task

44% input · 56% output

Full pricing →

o1-pro

OpenAI

$0.69

for this task

50% input · 50% output

Full pricing →

All 2, same prompt and context: $0.85. That is the entire cost of the comparison.

Your $5 welcome credit covers about 5 of these.

Which should you pick?

For long documents, Claude Opus 4.7 (Fast) has the largest context window here — 1M tokens.

On price, Claude Opus 4.7 (Fast) is the cheapest of the two on a typical task, at about $0.31.

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 →

Claude Opus 4.7 (Fast) pricing →o1-pro pricing →Add Lyria 3 Clip Preview Add Grok 4.20

Questions, answered

Which is cheaper, Claude Opus 4.7 (Fast) or o1-pro?

On a typical client proposal (5K tokens in, 800 out): Claude Opus 4.7 (Fast) at $0.31; o1-pro at $1.41. Long prompts can change the order when long-context rates apply.

Which has the largest context window?

Claude Opus 4.7 (Fast) — 1M tokens, about 1,400 pages.

Can I run Claude Opus 4.7 (Fast) and o1-pro 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 $1.73 for a typical task.

Ask both at once

Identical prompt, identical context, answers side by side — about $1.73 for a typical client proposal. Free to start, with $5 of credit.