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GPT-6.1 Sol and Claude 5.5 API pricing compared, with Claude cheaper for long prompts

A comparison of API pricing for GPT-6.1 Sol and Claude 5.5 reveals identical list prices, but significant differences in their fine print. OpenAI has doubled input costs and increased output costs after 272,000 tokens, making Claude 5.5 more cost-effective for users with long prompts. Factors such as cache discipline and reasoning effort also influence the overall cost for each model. AI

IMPACT Pricing structures for leading models can influence developer adoption and application design.

RANK_REASON Comparison of pricing for existing models, not a new release or significant industry event.

Read on Mastodon — mastodon.social →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

GPT-6.1 Sol and Claude 5.5 API pricing compared, with Claude cheaper for long prompts

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2 / 100
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Comparison of pricing for existing models, not a new release or significant industry event.
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product, infra
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High
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Breaking (< 6h)
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COVERAGE [1]

  1. Mastodon — mastodon.social TIER_1 English(EN) · Newfortech ·

    Our matrix shows the list prices for GPT‑6.1 Sol and Claude 5.5 are identical, but the fine print diverges. OpenAI doubles input and raises output costs after 2

    Our matrix shows the list prices for GPT‑6.1 Sol and Claude 5.5 are identical, but the fine print diverges. OpenAI doubles input and raises output costs after 272 K tokens, making Claude cheaper for long prompts. Cache discipline and reasoning effort also shift the total bill. ht…