AI Model Release Tracker

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Specifications
Context windowHow much information the model can work with in one request, measured in tokens — pieces of words or other data. This includes your question, attachments, conversation and reply. Limits can vary by model variant and provider.
200k200k
API pricingUSD per 1M tokens · lower wins
Cheapest inputLowest input rate across every provider on OpenRouter, the lab included. The cheapest endpoint may run a quantised build or a shorter context — see "Available from" on the model page.
—$1.10OpenAI
Cheapest outputLowest output rate across every provider on OpenRouter, the lab included. May come from a different provider than the cheapest input.
—$4.40OpenAI
—$440OpenAI
These models have no shared benchmark scores.
Overview
CompanyAnthropicOpenAI
Release dateOct 22 2024Jan 31 2025
AccessClosedClosed
Model detailsView modelView model

Other comparisons

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Frequently asked questions

Claude 3.5 Sonnet (upgraded) and o3-mini-high don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Claude 3.5 Sonnet (upgraded) shipped 101 days before o3-mini-high, so benchmark comparisons should account for the intervening progress.

Context windows are 200k (Claude 3.5 Sonnet (upgraded)) vs 200k (o3-mini-high).

Direct benchmark comparisons are unavailable — Claude 3.5 Sonnet (upgraded) and o3-mini-high don't publish scores on any of the same benchmarks.