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Anthropic launches Claude Sonnet 5.5, matching Opus 5.5 performance at lower cost · 10 sources tracked

By PulseAugur Editorial · [11 sources] ·

Anthropic has released Claude Sonnet 5.5, a significant upgrade over its predecessor, offering up to 30% faster speeds and a 30% reduction in cost per task. This new model demonstrates performance comparable to the higher-tier Claude Opus 5.5 on several benchmarks, particularly in coding and general knowledge tasks, while maintaining the same price point as Sonnet 5. Notably, Sonnet 5.5 is now powering the free tier of claude.ai, providing users with a substantially more capable free offering than competitors like OpenAI's ChatGPT. AI

IMPACT Sets a new standard for free-tier AI models, potentially pressuring competitors like OpenAI to improve their offerings.

RANK_REASON Frontier-lab model release with system card

Read on Medium — Claude tag →

AI-generated summary · Google Gemini · from 11 sources. How we write summaries →

Anthropic launches Claude Sonnet 5.5, matching Opus 5.5 performance at lower cost · 10 sources tracked

COVERAGE [11]

  1. X — Anthropic TIER_1 Français(FR) · AnthropicAI ·

    Claude Sonnet 5.5 is now available:

    Claude Sonnet 5.5 is now available:

  2. Simon Willison TIER_1 Français(FR) ·

    Claude Sonnet 5.5

    <p><strong><a href="https://www.anthropic.com/claude-sonnet-5-5">Claude Sonnet 5.5</a></strong></p> New Sonnet model from Anthropic today. They say it "runs 30%+ faster, and costs up to 30% less for most work" - it's priced the same as Sonnet 5 but appears to beat it on every ben…

  3. HN — anthropic stories TIER_1 Norsk(NO) · D2OQZG8l5BI1S06 ·

    Sonnet 5.5

  4. dev.to — Anthropic tag TIER_1 English(EN) · Ashraf ·

    Claude Sonnet 5.5 Is Here — and Anthropic Quietly Admits Your Prompt Might Not Get the Model You Picked

    <p>Anthropic shipped Claude Sonnet 5.5 on September 28, six days after Opus 5.5. It's the top story on Hacker News right now — 775 points, 500+ comments — and for once the hype is mostly earned. But buried under the benchmark charts is a detail that should bother you more than th…

  5. Medium — Anthropic tag TIER_1 English(EN) · AI Engineering ·

    Claude Sonnet 5.5 Nears Opus 5.5 in Benchmarks, But Hits a Record High in Token Consumption

    <div class="medium-feed-item"><p class="medium-feed-image"><a href="https://ai-engineering-trend.medium.com/claude-sonnet-5-5-nears-opus-5-5-in-benchmarks-but-hits-a-record-high-in-token-consumption-d3211d0f6fc3?source=rss------anthropic-5"><img src="https://cdn-images-1.medium.c…

  6. Medium — Anthropic tag TIER_1 English(EN) · 0xGosu ·

    Claude Sonnet 5.5: Near-Opus Results at Half the Token Price

    <div class="medium-feed-item"><p class="medium-feed-image"><a href="https://medium.com/@gosu0x/claude-sonnet-5-5-near-opus-results-at-half-the-token-price-ffc95880cd49?source=rss------anthropic-5"><img src="https://cdn-images-1.medium.com/max/2400/1*kCVwoqDua-iFcxrmwP61WA.png" wi…

  7. Email — Every TIER_1 English(EN) · 010001a0e9a201fd-33b2dc38-c262-4129-b555-de77ea844b70-000000@send.every.to (010001a0e9a201fd-33b2dc38-c262-4129-b555-de77ea844b70-000000@send.every.to) ·

    Vibe Check: Sonnet 5.5 Finds Its Place in Claude’s Crowded Family

    <!-- Set the language of your main document. This helps screenreaders use the proper language profile, pronunciation, and accent. --> <!-- The title is useful for screenreaders reading a document. Use your sender name or subject line. --> Vibe Check: Sonnet 5.5 Finds Its Place in…

  8. Medium — Anthropic tag TIER_1 English(EN) · Kyle Tse ·

    Claude Sonnet 5.5 vs Sonnet 5: Should You Switch? (Price, Speed, and When Opus Still Wins)

    <div class="medium-feed-item"><p class="medium-feed-image"><a href="https://medium.com/@shtse8/claude-sonnet-5-5-vs-sonnet-5-should-you-switch-price-speed-and-when-opus-still-wins-b5f967e88d77?source=rss------anthropic-5"><img src="https://cdn-images-1.medium.com/max/1600/1*aM8gd…

  9. Medium — Claude tag TIER_1 English(EN) · Santosh Shelar ·

    Claude Sonnet 5.5 Is Here. What Actually Changed for Developers?

    <div class="medium-feed-item"><p class="medium-feed-image"><a href="https://ai.plainenglish.io/claude-sonnet-5-5-is-here-what-actually-changed-for-developers-fd88634cee4b?source=rss------claude-5"><img src="https://cdn-images-1.medium.com/max/1672/1*0XAE1lxOGfmnhh1vVID9Cw.png" wi…

  10. r/Anthropic TIER_1 English(EN) · /u/DynaBeast ·

    Sonnet 5.5 is by far the best free model available right now

    <!-- SC_OFF --><div class="md"><p>I know most people here probably don't care as much about sonnet 5.5 as they did opus 5.5, because their $100 and $200 plans already give them plenty of weekly usage for opus. But keep in mind: free users only get to use sonnet. And until now, So…

  11. r/Anthropic TIER_1 English(EN) · /u/ClaudeOfficial ·

    Introducing Claude Sonnet 5.5, the second model in the Claude 5.5 family

    <table> <tr><td> <a href="https://www.reddit.com/r/Anthropic/comments/1wsly2p/introducing_claude_sonnet_55_the_second_model_in/"> <img alt="Introducing Claude Sonnet 5.5, the second model in the Claude 5.5 family" src="https://external-preview.redd.it/OWN5eDh5NHJzYXNoMYQZ-hp34wCe…

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