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Claude Fable 5 vs Claude Opus 4.7

Head to head on 28 shared benchmarks, with price, context window, and release dates.

Benchmark scores

47

evals · sort by any column, ⤢ to expand fullscreen

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Claude Fable 5

Anthropic

71.8%87.0%1340elo1943elo8356.3%92.6%55.5%63.5%81.4%78.6%80.0%59.9%88.5%93.9%87.3%56.1%88.5%68.9%95.0%51.9%60.2%76.9%62.9%61.4%74.2%90.4%98.5%17.4%-83.9%38.6%78.0%29.3%-29.8%1932elo66.0%13.3%--85.0%--80.3%88.0%-69.2%
Claude Opus 4.7

Anthropic

66.1%75.0%1311elo1914elo81.851.5%91.4%42.3%58.6%79.7%82.1%78.3%59.3%77.9%93.1%87.7%54.9%83.0%70.3%54.0%56.1%54.5%75.3%51.5%56.1%67.4%71.0%88.6%-3.21----43.8%----73.2%91.5-45.3%100.0%--72.868.5%
2 / 2 models
AttributeClaude Fable 5

Anthropic

Claude Opus 4.7

Anthropic

DescriptionClaude Fable 5 is Anthropic's most capable widely released model, built for the most demanding reasoning and long-horizon agentic work. Shares its base model with the invitation-only Claude Mythos 5.Claude Opus 4.7 is an AI model from Anthropic.
FamilyClaudeClaude
Params--
Open weightsclosedclosed
License-proprietary
Released9 Jun 202616 Apr 2026
Context1,000,0001,000,000
Input $/1M$10.00$5.00
Output $/1M$50.00$25.00
Cache read $/1M$1.000$0.500
Cache write $/1M$12.500$6.250
Speed0 tok/s0 tok/s
Latency0.00 s0.00 s
Modalitiestext, image, filetext, image, file
Providers--
PublisherAnthropicAnthropic
Reported scores
IFBench63.5% (AA)
LiveBench - Math93.9% (LiveBench)
LiveBench - Coding78.6% (LiveBench)

FAQ

Is Claude Fable 5 or Claude Opus 4.7 better?
Across the 28 benchmarks both models report on Sophon, Claude Fable 5 leads on 24 of them. Which one is "better" depends on the benchmark - the table above shows every shared score.
How do Claude Fable 5 and Claude Opus 4.7 compare on GPQA Diamond?
Claude Fable 5 scores 92.6% and Claude Opus 4.7 scores 91.4% on GPQA Diamond.
Which is cheaper, Claude Fable 5 or Claude Opus 4.7?
Claude Opus 4.7 is cheaper at $25.00 per million output tokens against $50.00 for Claude Fable 5 - about 2.0x.
When were Claude Fable 5 and Claude Opus 4.7 released?
Claude Fable 5 was released 9 Jun 2026 by Anthropic. Claude Opus 4.7 was released 16 Apr 2026 by Anthropic.

Other head-to-heads

56
Claude Fable 5 vs Claude Opus 4.840 shared evalsClaude Fable 5 vs GPT-5.539 shared evalsClaude Fable 5 vs Gemini 3.1 Pro Preview36 shared evalsClaude Opus 4.7 vs GPT-5.532 shared evalsClaude Opus 4.7 vs Gemini 3.1 Pro Preview31 shared evalsClaude Opus 4.7 vs Claude Opus 4.830 shared evalsClaude Opus 4.6 vs Claude Opus 4.729 shared evalsClaude Opus 4.7 vs Claude Sonnet 4.629 shared evalsClaude Fable 5 vs Claude Sonnet 4.628 shared evalsClaude Opus 4.7 vs GPT-5.428 shared evalsClaude Opus 4.7 vs Kimi K2.528 shared evalsClaude Opus 4.7 vs GLM 5.128 shared evalsClaude Opus 4.7 vs Qwen3.6 Plus27 shared evalsClaude Opus 4.7 vs GPT-5.226 shared evalsClaude Fable 5 vs Claude Opus 4.626 shared evalsClaude Fable 5 vs GPT-5.426 shared evalsClaude Fable 5 vs Kimi K2.526 shared evalsClaude Opus 4.7 vs GPT-5.4 Mini26 shared evalsClaude Opus 4.7 vs GPT-5 Mini25 shared evalsClaude Fable 5 vs GLM 5.125 shared evalsClaude Fable 5 vs GPT-5.4 Mini25 shared evalsClaude Fable 5 vs Claude Sonnet 4.524 shared evalsClaude Opus 4.7 vs Claude Sonnet 4.524 shared evalsClaude Fable 5 vs GPT-5.224 shared evalsClaude Opus 4.5 vs Claude Opus 4.724 shared evalsClaude Fable 5 vs Qwen3.6 Plus24 shared evalsClaude Opus 4.7 vs Grok 4.1 Fast24 shared evalsClaude Fable 5 vs GPT-5 Mini23 shared evalsClaude Fable 5 vs Claude Opus 4.523 shared evalsClaude Fable 5 vs Grok 4.1 Fast23 shared evalsClaude Opus 4.7 vs DeepSeek V3.223 shared evalsClaude Opus 4.7 vs GPT-5 Nano22 shared evalsClaude 4 Sonnet vs Claude Fable 522 shared evalsClaude Fable 5 vs GPT-5 Nano21 shared evalsClaude 4 Sonnet vs Claude Opus 4.721 shared evalsClaude Opus 4.7 vs GLM 4.721 shared evalsClaude Fable 5 vs DeepSeek V3.220 shared evalsClaude Fable 5 vs GLM 4.720 shared evalsClaude Opus 4.7 vs Gemini 2.5 Pro20 shared evalsClaude Fable 5 vs Gemini 2.5 Pro19 shared evalsClaude Fable 5 vs GPT-6 Astra18 shared evalsClaude Fable 5 vs gpt-oss-120b18 shared evalsClaude Opus 4.7 vs gpt-oss-120b18 shared evalsClaude Opus 4.7 vs GPT-517 shared evalsClaude Fable 5 vs GPT-516 shared evalsClaude Opus 4.7 vs GPT-6 Astra14 shared evalsClaude Opus 4.7 vs GPT-4o14 shared evalsClaude Fable 5 vs GPT-4o13 shared evalsClaude Fable 5 vs GPT-4o-mini12 shared evalsClaude Opus 4.7 vs GPT-4o-mini12 shared evalsClaude Opus 4.7 vs GPT-4.1 Nano12 shared evalsClaude Opus 4.7 vs GPT-4.1 Mini11 shared evalsClaude Fable 5 vs GPT-4.1 Nano11 shared evalsClaude Opus 4.7 vs GPT-4.111 shared evalsClaude Fable 5 vs GPT-4.1 Mini10 shared evalsClaude Fable 5 vs GPT-4.110 shared evals

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