What is the difference between Grok Code Fast 1 and Mercury?

Grok Code Fast 1 is developed by xAI while Mercury is developed by Inception. Grok Code Fast 1 has a 256K token context window vs Mercury's 32K. You can compare their actual outputs across 55 challenges on Rival to see how they differ in practice.

Which is better, Grok Code Fast 1 or Mercury?

It depends on your use case. Grok Code Fast 1 and Mercury each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 55 challenges so you can judge which fits your needs best.

How much does Grok Code Fast 1 cost compared to Mercury?

Grok Code Fast 1 costs $0.2/M input tokens and Mercury costs $10/M input tokens. Grok Code Fast 1 is $9.80/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

How can I compare Grok Code Fast 1 and Mercury on Rival?

This page shows a side-by-side comparison of Grok Code Fast 1 and Mercury across shared challenges. You can vote on which model produced the better output in a blind duel. Browsing and voting are free. No account is needed to look; signing in only saves your votes and likes.

What is the difference between Grok Code Fast 1 and Mercury?

Grok Code Fast 1 is developed by xAI while Mercury is developed by Inception. Grok Code Fast 1 has a 256K token context window vs Mercury's 32K. You can compare their actual outputs across 55 challenges on Rival to see how they differ in practice.

Which is better, Grok Code Fast 1 or Mercury?

It depends on your use case. Grok Code Fast 1 and Mercury each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 55 challenges so you can judge which fits your needs best.

How much does Grok Code Fast 1 cost compared to Mercury?

Grok Code Fast 1 costs $0.2/M input tokens and Mercury costs $10/M input tokens. Grok Code Fast 1 is $9.80/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

How can I compare Grok Code Fast 1 and Mercury on Rival?

This page shows a side-by-side comparison of Grok Code Fast 1 and Mercury across shared challenges. You can vote on which model produced the better output in a blind duel. Browsing and voting are free. No account is needed to look; signing in only saves your votes and likes.

Grok Code Fast 1 vs Mercury: Which Is Better?

Updated Aug 2025

Our Verdict

Grok Code Fast 1

MercuryRunner-up

No community votes yet. On paper, Grok Code Fast 1 has the edge — newer, bigger context window, major provider backing.

Grok Code Fast 1 is 6.7x cheaper per token — worth considering if cost matters.

Too close to call

What do Grok Code Fast 1 and Mercury say about your brand?

10 models, one question, verbatim receipts.

or peek at a demo: Notion Linear Vercel

API pricing

Cost per 1M tokens

Grok Code Fast 1

Input

$0.20

50× cheaper

Output

$1.50

6.7× cheaper

Mercury

Input

$10.00

Output

$10.00

Grok Code Fast 1 is cheaper on both — 50× input, 6.7× output

Writing DNA

Style Comparison

Similarity

43%

Grok Code Fast 1 uses 3.2x more transitions

Grok Code Fast 1

Mercury

60%Vocabulary55%

17wSentence Length40w

0.97Hedging0.39

2.8Bold4.9

2.5Lists3.8

0.06Emoji0.04

0.89Headings1.04

0.11Transitions0.03

Based on 23 + 17 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Grok Code Fast 1 vs MiniMax M3New provider

Grok Code Fast 1 vs Ox AlphaNew provider

Grok Code Fast 1 vs OpenAI o3New provider

Updated Aug 2025

Our Verdict

Grok Code Fast 1

MercuryRunner-up

No community votes yet. On paper, Grok Code Fast 1 has the edge — newer, bigger context window, major provider backing.

Grok Code Fast 1 is 6.7x cheaper per token — worth considering if cost matters.

Too close to call

What do Grok Code Fast 1 and Mercury say about your brand?

10 models, one question, verbatim receipts.

or peek at a demo: Notion Linear Vercel

API pricing

Cost per 1M tokens

Grok Code Fast 1

Input

$0.20

50× cheaper

Output

$1.50

6.7× cheaper

Mercury

Input

$10.00

Output

$10.00

Grok Code Fast 1 is cheaper on both — 50× input, 6.7× output

Writing DNA

Style Comparison

Similarity

43%

Grok Code Fast 1 uses 3.2x more transitions

Grok Code Fast 1

Mercury

60%Vocabulary55%

17wSentence Length40w

0.97Hedging0.39

2.8Bold4.9

2.5Lists3.8

0.06Emoji0.04

0.89Headings1.04

0.11Transitions0.03

Based on 23 + 17 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Grok Code Fast 1 vs MiniMax M3New provider

Grok Code Fast 1 vs Ox AlphaNew provider

Grok Code Fast 1 vs OpenAI o3New provider