JS15483 AWS AI League Model Customisation 25

2025 AWS AI League Model Customization Challenge

Official Rules

DESCRIPTION OF CONTEST:

On December 3, 2025 from 1:00:00 PM PST to 6:00:00 PM PST (the “Contest Period”), enter the 2025 Amazon Web Services (“AWS”) AI League Model Customization Challenge contest (the “Contest”) for a chance to win up to one thousand dollars ($1,000 USD) in AWS Promotional Credits. NO PURCHASE NECESSARY. VOID WHERE PROHIBITED. Terms and conditions apply.

CONTEST TERMS AND CONDITIONS:

By submitting your entry to the Contest, you agree to be bound by these Terms and Conditions. NO PURCHASE NECESSARY. VOID WHERE PROHIBITED.

1. Eligible Individuals. This Contest is only open to those ages 21 or over (or the age of majority in the jurisdiction in which they live), excluding employees of AWS, their immediate family members (limited to parents, children, siblings, spouses and life partners) and members of their households and anyone professionally associated with this Contest. Excludes individuals (i) located in or resident of Brazil, France, Germany, Italy, Philippines, Spain, Thailand, Vietnam, the Argentinean provinces of Mendoza, Neuquén, Rio Negro, Salta, and Tierra del Fuego, and any other countries or territories subject to U.S. sanctions, including Belarus, Cuba, Iran, North Korea, Russia, Syria, and the territory of Crimea, and the Republics of Donetsk and Luhansk; or (ii) designated on, or working on behalf of or at the direction of any person designated on, the Specially Designated Nationals and Blocked Persons List, the Denied Persons List, or other similar lists maintained by the U.S. Office of Foreign Assets Control or the Bureau of Industry and Security. Attendance at AWS re:Invent and a valid re:Invent pass are required. Participants must have an account on AWS Builder Center and join the AWS Builder Space group at https://builder.aws.com/connect/space/fbec7aff-4c30-33f3-b32c-6b10fbf9be94/. Limited one entry per person.

2. Participation Requirements. To qualify for the Contest, eligible individuals must participate in the AWS AI League Workshop GHJ205 Challenge (the “Workshop”) on December 3, 2025 at 1:00 PM PST (each such individual is herein referred to as a “Participant”). The top three (3) Participants from the Workshop will secure a spot in the AWS AI League Gameshow GHJ002 Challenge (the “Gameshow”) on December 3, 2025 at 5:00 PM PST.

• AWS AI League Workshop GHJ205 Challenge: On December 3, 2025, from 1:00 PM PST to 3:00 PM PST (“Workshop Submission Period”), Participants must attend AWS AI League: Model customization made easy – Part 1 (GHJ205) Workshop (the “Workshop”), in the MGM Grand Room 111. Participants must access AWS Console and Amazon SageMaker Studio using the account credentials provided by AWS during the applicable session. Each Participant will receive training hours at no cost, and no additional account usage or training beyond these allocated hours is allowed. Participants must sign up for an AWS PartyRock account at http://www.partyrock.aws/. Using Amazon SageMaker JumpStart, Participants must fine-tune the Llama 3.2 3B Instruct(TBD) model (“Model”) to specialize in answering questions about “VegasVibe” – a specialized LLM that captures the dynamic spirit of Las Vegas while providing accurate, locally-informed guidance. The goal is to create a model that achieves a higher win-rate, by generating more accurate and comprehensive answers, outperforming answers generated by a Llama 3.2 70B Instruct model(TBD) (“Benchmark Model“). No other model types are permitted in the Contest. Participants must submit their Model to the leaderboard at https://aws-llm-league.com/ on December 3, 2025, by 3:00 PM PST. The top three (3) Models will be determined by the end of the Workshop Submission Period, and displayed on the live leaderboard . Participants with the top three (3) Models will advance to the Gameshow (“Finalists”).

Finalists must bring their personal laptop and Model to the AI League Arena by 4:00:00 PM PST on December 3, 2025. The finalist’s model will be loaded onto AI League Portal by AWS staff for the briefing before the Gameshow commences at 5:00 PM PST on December 3, 2025.

• AWS AI League Gameshow GHJ002 Challenge: On December 3 , 2025 from 5:00 PM PST to 6:00 PM PST (“Gameshow Submission Period”), Finalists must attend the AWS AI League: Model customization made easy – PART 2 (GHJ002) (the “Gameshow”), in Venetian B Theater 3. The final round will take the form of an interactive gameshow-style competition with the following format:
• Question Set:  The Gameshow consists of 5 trivia questions focused on the AWS DeepRacer domain. Questions are delivered as a uni-modality input (text based), but may include multiple output modalities.
• Participant Access:  Finalists use their own personal laptop to access the competition portal which will be provided to participants during the briefing.
• Time Limit:  For each question, Finalists have 60 seconds to refine their Model’s response through additional prompt engineering (“Final Model”).
• Submission Process: When the 60-second timer expires, the prompt submission automatically closes.
• Model Inference:  The Finalist’s Refined Model then generates a response to the question, limited to the specified word limit.
• Response Display: All responses are displayed in real-time on a live screen at the event venue
• Online Access: Responses are also accessible online in the dedicated Discord channel #aws-llm-league at https://discord.gg/TvbERCnaAt.

The Gameshow winner will be determined by the end of the Gameshow Submission Period, and displayed on the live leaderboard.

3. Judging Criteria. All eligible entries received during the Submission Periods will be evaluated. Models created during the competition will compete against one another. The official rules and scoring criteria will be announced at the start of each competition.

4. Finalist Selection Process. Participants may submit one model at a time to the competition portal during the submission periods. Submissions will be evaluated by an LLM Judge, and each evaluation will be submitted to the leaderboard to display each Participant’s position in the Contest. The leaderboard automatically displays the single best win rate out of all entries submitted by a Participant. Participants can view the “Last Submitted Win Rate” on the leaderboard to see the win rate of their most recent submission. The Participants with the top three (3) win rates on the leaderboard will qualify as finalists for the gameshow round at AWS AI League: Model customization made easy – PART 2 (GHJ002). Finalists will be notified via ABC after submissions close on December 3rd at the end of the Workshop Submission Period, and provided further details to participate at the final round at session AWS AI League: Model customization made easy – PART 2 (GHJ002). In the event that two (2) or more Participants have exactly the same win-rate, the winner will be determined based on which Participant submitted the least number of models for evaluation to LLM League leaderboard to achieve their score.

5. Alternate Selection Process. If a Finalist does not respond to the initial contact
within a reasonable time, as determined by AWS’s sole discretion and disclosed to Participants during the event, AWS reserves the right to disqualify that Participant and offer the opportunity to the next Participant on the leaderboard. This process will conclude by 4:00 PM PST on Wednesday, December 3, 2025.

6. Contingency for Insufficient Finalists. In the event that there are fewer than three (3) confirmed Finalists by the end of the Alternate Selection Process, AWS reserves the right to nominate Participants present in the audience for the Gameshow, provided that such nominee has submitted a Model and participated in the qualifying round.

7. Finalist Verification. The selected three (3) Finalists are subject to verification of eligibility and compliance with these Official Rules and/or applicable law. Failure to provide all required information and complete all of the other required activities within the stated time period may result in forfeiture of the potential Finalist’s right to move to the final round at session AWS AI League: Model customization made easy – PART 2 (GHJ002). AWS’s decisions regarding finalist selection and confirmation are final and binding.

8. Winner Selection Process. Final Models will be judged and scored by a combination of:

• Human Spectators (20% Weight): a poll of the audiences favorite model will determine their audience score.
• AI Judges (80% Weight): AI Judges created for the AI League

Following each Gameshow question and evaluation, the total points awarded to each Finalist from each of the 2 judging groups is combined to constitute their question score. After each question score is recorded, it is combined with all final round question points earned by the Finalist and displayed on the leaderboard as their final round score. At the Gameshow Submission Period, the Finalists will be ranked according to their combined points on the leaderboard.

9. Audience Participation. Audience in-person and online are invited to vote for the best participant response to each question by logging into the AWS AI League portal. There is no cost to participate and no credit card required to join. New users will be prompted to create or link a discord profile at signup before proceeding to the appropriate channel to participate in voting. For each question, the complete question text and participant response will be displayed within the AI League portal. Each community member will be prompted to vote on the best response via the same portal.

10. Prize Description. Entries that do not meet the requirements set forth in these Terms and Conditions may be disqualified in AWS’s sole discretion. The Finalists will be ranked by December 3, 2025 at 6:00:00 PM PST. Each Finalist will receive AWS Promotional Credits according to their rank

• One (1) First place will win $1,000 in AWS Promotional Credits.
• One (1) Second place will win $750 in AWS Promotional Credits.
• One (1) Third place finisher will win $375 in AWS Promotional Credits.

AWS Promotional Credits are subject to the terms and conditions set forth at https://aws.amazon.com/awscredits/. AWS Promotional Credits have no monetary value. AWS reserves the right to substitute a prize (or portion thereof) for an item of comparable or greater value, at AWS’s sole discretion.

If you are selected as a potential winner of the Contest, AWS will notify you at the completion of session AWS AI League: Model customization made easy – PART 2 (GHJ002). The prize will be emailed to the email address you provide, but you will need to pick up any physical prizes in accordance with the instructions provided to you by AWS at the completion of the final round. Failure to provide the requested information or to respond to communications about the Contest within a reasonable period of time, as determined by AWS in its sole discretion, may result in the forfeiture of the prize.
By accepting the prize, you confirm that your receipt is neither prohibited nor inconsistent with any applicable laws, regulations, or binding orders, including applicable ethics or procurement rules, your receipt will not create a conflict of interest for AWS, and there are no ongoing competitive procurements for which your receipt of this benefit could conflict AWS from participating in the competition.

The following personal information will be collected by AWS for the Contest solely for the purposes of administering the Contest and verifying participant eligibility: name, city, state or province, country, email address. Failure to provide all necessary personal information may result in participants’ participation in the Contest being deemed ineligible. AWS handles your information in accordance with AWS Privacy Notice.

A winners list will be available at www.promowinners.com/AWSAILeagueModelCustomisation25 for up to a year after the final winners are announced. Acceptance of prize by the winner constitutes permission for AWS to use winners’ names or likenesses, and city, state or province, and country, if submitted to AWS, for any disclosures required by law, including a winners list, and for advertising and promotional purposes relating to the Contest in any and all media now or hereafter devised, worldwide in perpetuity (or to the maximum extent permissible under applicable law), without additional compensation, notification or permission, unless prohibited by law.

By submitting your submission to the Contest, you represent and warrant that your submission does not: (i) perform or promote activities that are illegal; (ii) violate or infringe the intellectual property, proprietary, or other rights of others; (iii) perform or promote activities that are offensive or disparaging in any manner; or (iv) cause harm to others or to AWS’s operations or reputation.

The Contest is sponsored by AWS. AWS reserves the right to cancel or modify the Contest at any time and for any reason. AWS and its affiliates and licensors will not be liable to you under any cause of action or theory of liability relating to the Contest, even if a party has been advised of the possibility of such damages, for (a) indirect, incidental, special, consequential, or exemplary damages, or (b) lost profits, revenues, customers, opportunities, or goodwill. In any case, AWS and its affiliates’ and licensors’ aggregate liability under these Terms and Conditions will not exceed USD $100. The limitations in this paragraph shall apply only to the maximum extent permitted by applicable law.

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