Claude Fable 5 wins on coding (100 vs 99). Claude Opus 4.6 wins on price ($5 vs $10/1M input). For most workflows, Claude Fable 5 is the stronger default — superseded by fable 5.1 — still 80.3% swe-bench pro, but 5.1 is better and cheaper to run.
The safest Claude Fable 5 vs Claude Opus 4.6 default, the cheaper option worth trying first, and the specialist pick — before you read the detail below.
Claude Fable 5 is the strongest answer here for Claude Fable 5 vs Claude Opus 4.6 — pick it when quality of output matters more than the $10.00/1M/1M input you pay for it.
Claude Opus 4.6 handles the same job for about 50% less per token. Start here and only move up if the output is not good enough.
Claude Fable 5 is the fastest of these for Claude Fable 5 vs Claude Opus 4.6 — worth it when latency is what the reader notices, not the last few points of reasoning depth.
Claude Fable 5 leads on coding with a score of 100 vs 99 for Claude Opus 4.6.
Claude Opus 4.6 is cheaper at $5/1M input tokens vs $10/1M for Claude Fable 5.
Claude Fable 5 is the stronger default for coding tasks.
Choose Claude Fable 5 for the hardest coding tasks, autonomous multi-step agents, and frontier-grade reasoning. Its coding and research scores are what carry the recommendation here.
Claude Opus 4.6 earns its place when your work is mostly agentic coding and complex multi-step reasoning, even though it loses the overall count here.
Claude Opus 4.6 is the more cost-efficient option at $5/1M input — Claude Fable 5 costs 2x more per input token, so the gap is worth taking seriously wherever token volume rather than peak quality drives the bill.
Switch the scoring lens to see whether the Claude Fable 5 vs Claude Opus 4.6 answer changes when cost, speed, or long-document depth leads the decision.
Anthropic / Premium / Sep 3, 2026
New global #1 — 80.3% SWE-Bench Pro, the most capable model generally available.
Ranks models by the broadest mix of coding, writing, research, and long-context usefulness.
You are latency- or cost-sensitive, or your tasks don't need frontier-level reasoning — Opus 4.8 at half the price is plenty.
Where the Claude Fable 5 vs Claude Opus 4.6 recommendation shifts once you weigh price or latency differently.
New global #1 — 80.3% SWE-Bench Pro, the most capable model generally available.
Previous Opus flagship, now superseded by Claude Opus 4.7.
List prices and published scores — the numbers this page's pick is built from.
| Model | Input | Output | Est. month | Context | Speed | Coding | Writing | Research |
|---|---|---|---|---|---|---|---|---|
| Claude Fable 5Anthropic | $10.00/1M | $50.00/1M | $200 | 1M tokens | Deliberate | 100 | 98 | 100 |
| Claude Opus 4.6Anthropic | $5.00/1M | $25.00/1M | $100 | 1M tokens | Deliberate | 99 | 94 | 96 |
Scores out of 100 — how we evaluate models. “Est. month” is 10M in / 2M out at list price: a ceiling, no discounts.
Why each one is on the shortlist for Claude Fable 5 vs Claude Opus 4.6, what it is genuinely good at, and where we would steer you away from it.
Our pick for Claude Fable 5 vs Claude Opus 4.6. It scores 100/100 on the coding axis we weight this page by, and nothing else in this shortlist matches it on output quality.
Anthropic's new Mythos-class flagship and the most capable coding model anyone can use — 80.3% SWE-Bench Pro, an 11-point jump over Opus 4.8. 1M context, 128K output, native parallel subagents. Released June 9, 2026.
You are latency- or cost-sensitive, or your tasks don't need frontier-level reasoning — Opus 4.8 at half the price is plenty.
The strongest coding and reasoning model you can actually use today. 80.3% SWE-Bench Pro is an 11-point leap over Opus 4.8 — the biggest single-release jump of 2026. It costs 2× Opus 4.8, so use it for the hardest agentic and engineering work and keep Opus 4.8 or Sonnet for everyday volume.
Full pricing, benchmark table and release notes on the Claude Fable 5 page.
The value option for Claude Fable 5 vs Claude Opus 4.6: about 50% less per token than Claude Fable 5, at 99/100 on coding. Worth starting here and moving up only if the output disappoints.
Anthropic's previous Opus flagship for high-stakes coding, reasoning, and deep research before Opus 4.7.
You want the current premium coding leader, need lower cost, or are starting a new integration.
Still strong for high-stakes engineering work, but Opus 4.7 is the newer premium coding leader. For most teams, Sonnet 4.6 remains the smarter lower-cost default.
Full pricing, benchmark table and release notes on the Claude Opus 4.6 page.
UseRightAI recommendations are based on practical decision factors people actually feel in day-to-day use.
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We email when the Claude Fable 5 vs Claude Opus 4.6 pick changes, when one of these models moves on price, or when something new displaces the current leader.
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Claude Fable 5 wins on more of the categories we score — coding, research, long context — so it is the better default of the two. Claude Opus 4.6 is the better pick when your work is mostly agentic coding and complex multi-step reasoning. Neither is universally "better": Claude Fable 5 is aimed at the hardest coding tasks and autonomous multi-step agents, Claude Opus 4.6 at agentic coding and complex multi-step reasoning.
Claude Opus 4.6 is cheaper at $5/1M input and $25/1M output. Claude Fable 5 costs $10/1M input and $50/1M output.
Both Claude Fable 5 and Claude Opus 4.6 have the same 1M context window.
Claude Fable 5 is better for coding with a score of 100 vs Claude Opus 4.6's 99 (out of 100). GPT-6 Astra is the overall coding leader in this directory at 100/100.
Both Claude Fable 5 and Claude Opus 4.6 have similar speed profiles — rated deliberate. Neither will be the bottleneck if latency is your deciding factor.
Priced at $10/$50 per 1M tokens — double Opus 4.8 ($5/$25). Deliberate pace; not for latency-sensitive interactive apps. Standard-use safeguards block some high-risk security workloads (use Mythos 5 with partner access). Avoid it if you are starting new work — Claude Fable 5.1 supersedes it at the same base price with 75% cheaper cache reads. Also skip it if you are latency- or cost-sensitive. That is the main case for looking at Claude Opus 4.6 instead.
Premium pricing ($15/$75) makes it expensive for high-volume usage. Sonnet 4.6 is only 1.2 points behind on SWE-bench at 5× lower cost. Avoid it if you want the current premium coding leader, need lower cost, or are starting a new integration. Against Claude Fable 5 specifically, the gap shows up most on coding (100 vs 99).
Take a moderate workload of 10M input and 2M output tokens a month. Claude Fable 5 runs $200.00 (at $10/1M in and $50/1M out); Claude Opus 4.6 runs $100.00 (at $5/1M in and $25/1M out). That is a $100.00/month difference — Claude Opus 4.6 is the cheaper of the two at this volume, and the gap scales linearly as you send more. Output tokens dominate the bill on both, so prompt length matters far less than response length.
Yes, and for most teams that beats picking one. A common split is Claude Fable 5 for the hardest coding tasks and autonomous multi-step agents, with Claude Opus 4.6 handling agentic coding and complex multi-step reasoning. Routing high-volume, low-stakes calls to Claude Opus 4.6 at $5/1M and reserving Claude Fable 5 for the hard cases is usually the cheapest arrangement that does not cost you quality.