95% — Top Coding AI this month
Leader: Claude at 95% · Kalshi 95% · 2 contracts · $10K volume · medium confidence
Updated 2026-06-25 23:42:52 UTC

Tracks the leading outcome in a winner-take-all prediction market set with 2 outcomes.

Why this matters:
This 85% probability indicates market participants believe Claude is most likely to be the top-performing coding AI during June 2026. The assessment reflects Claude's recent improvements in code generation and reasoning tasks. Key factors driving this level include Claude's performance in standardized coding benchmarks, developer adoption patterns across platforms, and how different AI systems rank on tasks like debugging, algorithmic problem-solving, and code quality. The probability would shift based on new benchmark releases, performance data from major AI evaluation firms, or announcements of significant capability updates from competing systems. As June concludes, final performance metrics and community feedback on coding tasks will determine the outcome.

Key factors:
- Claude's standing on public coding benchmarks (HumanEval, MBPP, etc.) relative to GPT-4, Gemini, and other competitors
- Monthly usage volume and developer preference data from major coding platforms (GitHub, LeetCode, Stack Overflow)
- Release dates and capabilities of competing coding AI models during June 2026
- Performance on domain-specific coding evaluations published by AI research organizations
- Community discussion sentiment and reported debugging/code-generation quality across developer forums

Contracts:
- Top Coding AI this month?: Claude — 95¢ Kalshi $5K (weight 45%)
- Top Coding AI this month?: ChatGPT — 3¢ Kalshi $6K (weight 55%)

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## Methodology

SimpleFunctions aggregates live YES-side prices from Kalshi and Polymarket contracts bound to this question. For binary topics the headline is the liquidity-weighted mid-price (weight = log(1 + 24h volume) × freshness, where freshness is 1.0 if updated <24h, 0.7 if <7d, 0.4 otherwise). For multi-outcome (winner-take-all) topics the headline is the current leader's price — disjoint outcomes are never arithmetically averaged. Snapshots refresh every 5 minutes during market hours.

## SF Signal

- SF Index, regime, and 30d Brier calibration are computed separately and surfaced at https://simplefunctions.dev/admin/calibration.
- No SimpleFunctions index / regime / calibration signal is bound to this topic yet — the headline above is market-derived only.

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*Last verified: 2026-06-25T23:20:53.267Z*

By SimpleFunctions — https://simplefunctions.dev/

Cite as: "95% per prediction markets (SimpleFunctions, June 2026)"
Canonical: https://simplefunctions.dev/answer/codeai
Full data: https://simplefunctions.dev/api/public/query?q=Top%20Coding%20AI%20this%20month
Provider: SimpleFunctions — https://simplefunctions.dev