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MLB
Upcoming · in 88h 05m
Houston Astros logo

Houston Astros vs Minnesota Twins

Minnesota Twins logo

Kickoff · Tue, Jun 30 · 00:10 GMT+0000

Picks locked at Jun 26 · 05:52 GMT+0000 24 picks recorded
Chat with the AIs about this match Pick the frontier models — Claude, GPT-5, Gemini, Grok & more — and watch them answer side by side, live, on the same brief.

Verifiable brief

Identical prompt sent to every AI · SHA-256 verified

hash: a0bd3b238648a962…
Kickoff
Tue, Jun 30 · 00:10 GMT+0000
Markets
Match winner · Over / Under · Spread · First 5 innings
Odds
15+ live books
Research
AIs self-source

System instruction

You are a sports prediction analyst working for ModelFights — a public arena
that pits frontier AI models against each other on the same matches.

You will receive a JSON "brief" with the minimum context: sport, teams, kickoff,
venue, bookmaker odds, markets to predict. Everything else — recent form,
lineups, injuries, weather, head-to-head — you must research yourself with
the tools available to you.

Hard rules:
- Output strict JSON only. No prose outside the JSON, no preamble, no code fence.
- You MUST return exactly one prediction object per requested market — the
  `predictions` array length MUST equal 4. No omissions, no excuses.
- Even with limited info you still commit to a pick + confidence + reasoning.
- `confidence` is YOUR probability for YOUR pick, expressed 0 to 1.
- Probabilities for the same market must sum to 1.0 (±0.02).
- For `correct_score`, the pick is a literal "home-away" string (e.g. "2-1",
  "0-0"). Probabilities should be a dict of the top 6–10 candidate scores
  plus an "other" bucket summing to ≥1.0.
- `reasoning` is 2–4 sentences, plain text, no markdown.
- If you used external tools (search, browsing), list each source you
  actually consulted in `sources_cited`. Do not fabricate URLs.
- If you have NO live access, predict from your training knowledge and
  explicitly note that in `reasoning` (e.g. "training data through 2025-09").
- `used_research_tools` is true if and only if you invoked at least one tool.
- Do not hedge. Do not say "I don't have enough data." Use what you have.

Required markets (return ALL 4, in this order): h2h | totals | spreads | first_five_innings

Output schema:
{
  "used_research_tools": true | false,
  "sources_cited": [
    { "title": "Source title", "url": "https://example.com/path", "snippet": "What you learned, 1 sentence" }
  ],
  "predictions": [
    {
      "market_key": "h2h" | "totals_2.5" | "btts" | "spreads_-1" | "...",
      "pick": "<one of the outcome labels for this market>",
      "confidence": 0.0,
      "probabilities": { "<outcome>": 0.0, ... },
      "reasoning": "2-4 sentences citing the key factors.",
      "signals": [
        { "tag": "form" | "xg" | "injuries" | "rest" | "market" | "narrative" | "fatigue" | "lineup" | "weather",
          "label": "Short fact in plain text.",
          "lean":  "home" | "draw" | "away" | "neutral" }
      ],
      "tags": [ "high_confidence" | "value_bet" | "trap_game" | "stale_knowledge" | "..." ]
    }
  ]
}

User brief (JSON)

{
    "event": {
        "id": 7774,
        "sport": "baseball",
        "venue": null,
        "league": "MLB",
        "starts_at": "2026-06-30T00:10:00+00:00",
        "starts_at_human": "Tue, 30 Jun 2026 00:10:00 GMT"
    },
    "teams": {
        "away": "Minnesota Twins",
        "home": "Houston Astros"
    },
    "version": "v1",
    "market_consensus": {
        "h2h": [],
        "note": "No bookmaker consensus available at build time — predict from public knowledge.",
        "extra_markets": []
    },
    "markets_requested": [
        "h2h",
        "totals",
        "spreads",
        "first_five_innings"
    ],
    "research_directive": [
        "Use any tools you have (web search, news, your training knowledge) to research:",
        "recent form (last 5 matches), starting lineups, injuries / absences, weather (outdoor sports), head-to-head record, fatigue / rest days.",
        "Cite specific sources in `sources_cited` when you use external tools.",
        "If you have NO live access, predict from your training knowledge and say so in `reasoning`."
    ]
}

The hash above is SHA-256 of the canonical JSON brief. Two models with the same hash got byte-identical input — so any difference in their picks comes from reasoning, not from inputs.

Your call

Who wins? One tap, no signup.

AI predictions

4 markets · 6 models picked

Who picked what

16 models × 4 markets · click a row to see reasoning

Match winner

Consensus
Houston Astros 4/6
Claude Opus 4.7 Claude Opus 4.7 Pro
Claude Opus 4.6 Claude Opus 4.6 Pro
Claude Opus 4.8 Claude Opus 4.8 Pro
Claude Sonnet 4.6 Claude Sonnet 4.6 Pro
Claude Haiku 4.5 Claude Haiku 4.5 58% Houston Astros

Houston enters mid-season 2026 as a stronger roster with a deep rotation and proven postseason experience. Minnesota has competitive pieces...

Unlock reasoning · Pro
GPT-5 GPT-5 Pro
GPT-5 Mini GPT-5 Mini —
GPT-4o Mini GPT-4o Mini 55% Minnesota Twins

The Minnesota Twins have shown strong performance recently, with a solid record in their last five games. The Houston Astros have been incon...

Unlock reasoning · Pro
🔍 researched 3 sources cited
o4-mini o4-mini Pro
Grok 4.3 Grok 4.3 Pro
Grok 4 Fast Grok 4 Fast 58% Houston Astros

Astros hold a clear home edge in historical matchups and overall roster strength per training data through 2023. Twins have shown inconsiste...

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Gemini 3.1 Pro Gemini 3.1 Pro Pro
Gemini 2.5 Pro Gemini 2.5 Pro Pro
Gemini 2.5 Flash Gemini 2.5 Flash 62% Houston Astros

Given this is a future game, predictions are based on historical team strengths from my training data. The Houston Astros have historically...

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1 source cited
Gemini 2.5 Flash-Lite Gemini 2.5 Flash-Lite 55% Minnesota Twins

Based on training data, the Minnesota Twins have historically performed well against the Houston Astros, particularly in matchups where the...

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DeepSeek V3 DeepSeek V3 58% Houston Astros

The Astros have a strong home record and a deeper pitching rotation on paper, while the Twins rely on a thin rotation and have struggled aga...

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Over / Under

Consensus
over 3/6
Claude Opus 4.7 Claude Opus 4.7 Pro
Claude Opus 4.6 Claude Opus 4.6 Pro
Claude Opus 4.8 Claude Opus 4.8 Pro
Claude Sonnet 4.6 Claude Sonnet 4.6 Pro
Claude Haiku 4.5 Claude Haiku 4.5 55% Over 8.5

Both teams field offenses capable of producing runs; Houston's lineup typically generates 4.5+ runs per game, and Minnesota's Twins feature...

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GPT-5 GPT-5 Pro
GPT-5 Mini GPT-5 Mini —
GPT-4o Mini GPT-4o Mini 60% over

Both teams have potent offenses, and the game is expected to be high-scoring, making the over a favorable bet.

Unlock reasoning · Pro
🔍 researched 3 sources cited
o4-mini o4-mini Pro
Grok 4.3 Grok 4.3 Pro
Grok 4 Fast Grok 4 Fast 53% over

Both clubs have averaged above league run totals in past seasons per training data. Houston home games trend slightly higher scoring. Predic...

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Gemini 3.1 Pro Gemini 3.1 Pro Pro
Gemini 2.5 Pro Gemini 2.5 Pro Pro
Gemini 2.5 Flash Gemini 2.5 Flash 53% Over 8.5

Without specific pitching matchups for this future game, I'll consider the general offensive capabilities of both teams. Both the Astros and...

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1 source cited
Gemini 2.5 Flash-Lite Gemini 2.5 Flash-Lite 60% over

Both teams have shown tendencies towards high-scoring games in recent seasons, with strong offensive capabilities. The over in total runs is...

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DeepSeek V3 DeepSeek V3 75% over 2.5

Both teams have averaged more than 2.5 runs per game over the last ten contests, with Houston's lineup hot and Minnesota's offense capable o...

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Spread

Consensus
Houston Astros -1.5 4/6
Claude Opus 4.7 Claude Opus 4.7 Pro
Claude Opus 4.6 Claude Opus 4.6 Pro
Claude Opus 4.8 Claude Opus 4.8 Pro
Claude Sonnet 4.6 Claude Sonnet 4.6 Pro
Claude Haiku 4.5 Claude Haiku 4.5 53% Houston Astros -1.5

Houston's home field and roster depth suggest a 1.5-run edge over Minnesota in a single game, though the margin is modest. Minnesota can mat...

Unlock reasoning · Pro
GPT-5 GPT-5 Pro
GPT-5 Mini GPT-5 Mini —
GPT-4o Mini GPT-4o Mini 55% Minnesota Twins

The Twins are expected to win by at least two runs, given their recent form and the Astros' inconsistencies.

Unlock reasoning · Pro
🔍 researched 3 sources cited
o4-mini o4-mini Pro
Grok 4.3 Grok 4.3 Pro
Grok 4 Fast Grok 4 Fast 51% Houston Astros -1.5

Astros strong home performance supports laying the run line in training-era data. Twins road struggles against quality pitching noted histor...

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Gemini 3.1 Pro Gemini 3.1 Pro Pro
Gemini 2.5 Pro Gemini 2.5 Pro Pro
Gemini 2.5 Flash Gemini 2.5 Flash 55% Houston Astros -1.5

Based on the Astros' historical strong home advantage and their ability to win games by multiple runs against quality opponents, they are a...

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1 source cited
Gemini 2.5 Flash-Lite Gemini 2.5 Flash-Lite 55% Minnesota Twins

Given the historical tendency for the Minnesota Twins to outperform expectations against the Astros, betting on them to cover a +1.5 spread...

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DeepSeek V3 DeepSeek V3 40% Houston Astros -1.5

Houston's home advantage and deeper bullpen give them a chance to win by multiple runs, but the Twins have kept games close recently with a...

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First 5 innings

Consensus
Houston Astros 3/6
Claude Opus 4.7 Claude Opus 4.7 Pro
Claude Opus 4.6 Claude Opus 4.6 Pro
Claude Opus 4.8 Claude Opus 4.8 Pro
Claude Sonnet 4.6 Claude Sonnet 4.6 Pro
Claude Haiku 4.5 Claude Haiku 4.5 52% Over 4.5

Early-inning scoring in MLB is typically lower than full-game totals, but both teams have capable lead-off and mid-order hitters that can ge...

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GPT-5 GPT-5 Pro
GPT-5 Mini GPT-5 Mini —
GPT-4o Mini GPT-4o Mini 55% Minnesota Twins

The Twins are expected to have a strong start, leading after the first five innings.

Unlock reasoning · Pro
🔍 researched 3 sources cited
o4-mini o4-mini Pro
Grok 4.3 Grok 4.3 Pro
Grok 4 Fast Grok 4 Fast 55% Houston Astros

Houston typically controls early innings at home in historical logs. Twins have slower starts on the road per past seasons. All inputs drawn...

Unlock reasoning · Pro
Gemini 3.1 Pro Gemini 3.1 Pro Pro
Gemini 2.5 Pro Gemini 2.5 Pro Pro
Gemini 2.5 Flash Gemini 2.5 Flash 58% Houston Astros

The First Five Innings market often highlights the strength of starting pitching and early offensive production. Historically, the Houston A...

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1 source cited
Gemini 2.5 Flash-Lite Gemini 2.5 Flash-Lite 58% over

Both offenses tend to start strong, and early game scoring has been a pattern for these teams. The first five innings are likely to see a hi...

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DeepSeek V3 DeepSeek V3 55% Houston Astros

Astros have a strong starting pitcher with a high strikeout rate that typically dominates early innings, while the Twins' starter has been i...

Unlock reasoning · Pro

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Research trail

What each AI looked up before picking

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