That puts Fable 5’s tool usage much closer to the earlier Opus models, which raises an interesting question. Could some of Fable’s performance gains over Opus 5 come from tool use that is more frequent, but also more accurate?
Keep in mind that these results come from actual
<ul> <li><p>Opus 5 runs at 5 and 25 per million tokens against Fable 5 at 10 and 50, so the top tier now costs double for a much smaller gap</p></li> <li><p>Thinking is on by default on Opus 5, which silently changes what a tight max_tokens setting does to your output</p></li> <l…
dev.to — Claude Code tag
TIER_1English(EN)·RAXXO Studios·
<ul> <li><p>Anthropic shipped Claude Opus 5 on July 24, calling it a step-change over Opus 4.8, not a routine bump</p></li> <li><p>The model runs a 1M token context window as both default and maximum, 128k max output tokens, with thinking on by default</p></li> <li><p>Anthropic s…
Medium — Anthropic tag
TIER_1English(EN)·Bernard Loki "AI VISIONARY"·
<figure><img alt="" src="https://cdn-images-1.medium.com/max/1024/1*YgnLCuLo_bTk_57-yIWpDA.png" /><figcaption>Opus 5 vs Fable 5: Near-frontier performance at half the cost</figcaption></figure><h4><em>A developer’s look at where Anthropic’s new “everyday” model actually beats the…
Medium — AI coding tag
TIER_1English(EN)·Stackfinderai·
<h1> Claude Opus 5 for coding agents: index 61 at half Fable 5's cost (2026) </h1> <p><strong>Summary.</strong> Claude Opus 5, released by Anthropic on 24 July 2026, scores 61 on the Artificial Analysis Intelligence Index, narrowly the highest of any model, one point above Claude…
<p>Claude Opus 5 (claude-opus-5) shipped July 24, 2026 at $5/$25 — half Fable 5's price. Benchmarks, the Opus 4.8 to 5 API changes, and how to call it via ofox.</p> <h2> What Anthropic Shipped </h2> <p>Claude Opus 5 is Anthropic's new recommended default for complex agentic codin…
Medium — Claude tag
TIER_1English(EN)·Daniel Avila·
Claude (@claudeai) Claude Opus 5를 소개하며, Fable 5 수준의 프런티어 지능에 근접하면서 가격은 절반이라고 주장한다. 다만 벤치마크, 기능, API·배포 정보 등 기술적 근거는 제공되지 않았다. https:// x.com/claudeai/status/20806994 95453528290 # claude # llm # ai # modelrelease
Claude Opus 5 arrive et il dépasse la concurrence sur le code et le knowledge work, tout en coûtant moitié moins que Fable 5. Sur ARC-AGI 3, il triple le score du 2eme modèle dans le classement. ⬇️ https://www. anthropic.com/news/claude-opus -5 # MachineLearning # AI 📬 Ma veille …
<p>Четыре модели в одном переключателе — и четыре разных сценария того, как быстро закончится недельный лимит подписки.</p> <p>Откройте официальную таблицу моделей Anthropic — и увидите разброс, который объясняет всю путаницу разом: Fable 5 стоит <a href="https://platform.claude.…
<p>Claude Opus 5 is out, and Artificial Analysis — who supported Anthropic's pre-release evaluation — just dropped their full benchmark breakdown. The headline: new top model for agentic knowledge work, and cheaper per task than Fable 5.</p> <p>That combination doesn't come along…
Claude Opus 5 matches Fable 5 performance at half the token cost and leads on ARC-AGI-3 with 30.2%. # AI # Automation Source: The Decoder AI https:// the-decoder.com/anthropic-clai ms-its-new-claude-opus-5-delivers-near-fable-5-performance-at-half-the-token-price/
<p>Claude Opus 5 is here. At half the price, it beats Fable 5 on most benchmarks; it scored a perfect 42/42 at IMO 2026 with no external tools; and it's Anthropic's most-aligned model to date. But the same 193-page system card reveals an unsettling second face: it hallucinated hu…
<table> <tr><td> <a href="https://www.reddit.com/r/Anthropic/comments/1va17vm/100_all_models_and_fable_but_i_sitll_can_use_opus/"> <img alt="100% All Models and Fable but I sitll can use Opus 5" src="https://preview.redd.it/qrrs5vjk37gh1.png?width=140&height=100&auto=webp…
Claude Opus 5登場！ベンチマーク分析・価格・Fable 5 / GPT-5.6との徹底比較 https:// qiita.com/Adachit-1411/items/3 dd6bc76c81aa6918b84?utm_campaign=popular_items&utm_medium=feed&utm_source=popular_items # qiita # AI # Anthropic
<!-- SC_OFF --><div class="md"><p>In my humble view, Anthropic has so far only gotten two products right. All the rest is trash. Is it just me, or does everyone else feel the same way?</p> </div><!-- SC_ON -->   submitted by   <a href="https://www.reddit.com/user/CryptBay…
<!-- SC_OFF --><div class="md"><p>Hello! I'm a gamedev working on an idle incremental web browser game (among other projects) and I've been developing it as a way to test fable 5 when it dropped.</p> <p>I have been extremely satisfied with fable's performance and execution and I'…
<!-- SC_OFF --><div class="md"><p>This was a four-hour session, and almost every attempted fix made things worse.</p> <p>This response came from Opus 5 on High/Max reasoning. I am extremely frustrated and concerned. This is not acceptable. this is not good!</p> <p><strong>And you…
<!-- SC_OFF --><div class="md"><p>I don't get why they're saying Opus 5 is better than Fable. I spent all Friday/Saturday and today in full denial. Now Fable is cleaning up the Opus 5 errors from the 3 day mess Opus created.</p> <p>I don't get why the company did this but they ar…
<!-- SC_OFF --><div class="md"><p>Opus 5 benchmarks very closely in performance to Fable 5, so why is Fable 5 twice as expensive?</p> <p>180 upvotes. This discussing popped up yesterday and I scrolled for 5 minutes and not a single person thought to even look at what Anthropic sa…
Claude Opus 5 launches with Fable-level performance at half the price. Benchmarks show strong ECI scores, but users note gaps between metrics and real-world efficiency. # AI # Automation Source: Latent Space https://www. latent.space/p/ainews-claude-o pus-5-fable-level
<!-- SC_OFF --><div class="md"><p>I’m currently working on a project and initially used Opus 5. I hit the five-hour session limit and continued with extra usage, but I still wasn’t getting good results and spent too much time waiting for it to reason in high-thinking mode.</p> <p…
<!-- SC_OFF --><div class="md"><p>Everyone frames the models as a straight ranking, Fable above Opus above Sonnet. After a week of deliberately running my normal day's work through both, that's not how it plays out for me.</p> <p>Opus 5 wins on anything short and self-contained. …
<table> <tr><td> <a href="https://www.reddit.com/r/ClaudeAI/comments/1va3521/this_sums_up_my_experince_with_opus_5_vs_fable_5/"> <img alt="This sums up my experince with Opus 5 vs Fable 5" src="https://preview.redd.it/hno8o1mje7gh1.png?width=320&crop=smart&auto=webp&s…
<!-- SC_OFF --><div class="md"><p>Am I the only one, or does Fable 5 still completely outperform Opus 5?</p> <p>I've used both for similar tasks, I get the feel that Fable 5 IS a competent engineer, doesn't "just forget" stuff, or follows the completely wrong tangent fo…
<!-- SC_OFF --><div class="md"><p>Serious question because the AI naming department has successfully melted my brain.</p> <p>Is Fable 5 secretly the Opus-tier model?</p> <p>Or is Opus 5 still the actual Opus-tier model?</p> <p>And if Opus 5 is the Opus tier, what tier is Fable 5—…
<!-- SC_OFF --><div class="md"><p>So I just compared the results of a one prompt task.<br /> Both models using Extra effort. </p> <p>I asked to convert my 2D simulator into a nice 3D version, with freedom to use creativity. The simulator is about cars that travel from point to po…
<table> <tr><td> <a href="https://www.reddit.com/r/ClaudeAI/comments/1v5hrbc/claude_opus_5_is_out_nearfable_intelligence_at/"> <img alt="Claude Opus 5 is out — near-Fable intelligence at half the price, same pricing as 4.8" src="https://external-preview.redd.it/dPKUITvyPmrSkmNYT6…
<table> <tr><td> <a href="https://www.reddit.com/r/singularity/comments/1v5jkml/opus_5_isnt_much_cheaper_than_fable_to_use/"> <img alt="Opus 5 isn't much cheaper than Fable to use" src="https://preview.redd.it/6ar374koz7fh1.png?width=640&crop=smart&auto=webp&s=1991847…
<table> <tr><td> <a href="https://www.reddit.com/r/singularity/comments/1v5icbc/claude_opus_5_arrives_with_near_fable_performance/"> <img alt="Claude Opus 5 arrives with near Fable performance at half the price" src="https://external-preview.redd.it/OjWKFcQmS4uqrAKPnhhSyB33kwsaWC…
