LOADING DATASHEET
GROUNDED IN REAL HUMAN CONVERSATIONSYOUR BENCH
Claude Opus 4.8
by Anthropic
CLOSEDHOSTEDAPILONG CONTEXTPAIDREASONING
RANKED #205 OF 228 ASSISTANTS · OVERALL #316 OF 6,618 · VIBE SCORE 5.2 · 548 VOICES
Fast-mode variant of [Opus 4.8](/anthropic/claude-opus-4.8) - identical capabilities with higher output speed at 2x pricing relative to regular Opus 4.8. Learn more in Anthropic's docs: https://platform.claude.com/docs/en/build-with-claude
HAPPY7.1
47 mentions
SAD7.9
54 mentions
VIBE TRAJECTORY
26 weeks · 1,217 voices
AGING WELL
The crowd is warmer now than it was at the start.
HOW TO USE IT
Closed model. Anthropic hosts it, so you use it through an app or an API.
PREFER OPEN SOURCE? THE CROWD HAS PICKS
Claude Opus 4.8 is closed, so you rent it. These open-weight models can genuinely stand in for it. Download once, own forever.
- OPEN WEIGHTS7
Qwen3.8 2.4T A95BAlibabaFrontier-class reasoning and multimodal quality that directly rivals Opus 4.8.🏆 NEAR-PEER QUALITY❤️ CROWD FAVORITE923 VOICESMATCH★★★ - OPEN WEIGHTS7.5Qwen3.8 27BAlibabaRuns locally on consumer hardware while delivering strong reasoning and vision.🪶 RUNS ON LESS🔒 PRIVATE & OFFLINE⚡ FAST5.7k VOICESMATCH★★★
- OPEN WEIGHTS5.4
Llama 4 MaverickMetaA highly efficient multimodal MoE model that excels at coding and agentic tasks.💻 STRONG AT CODE⚡ FAST🏆 NEAR-PEER QUALITY1.9k VOICESMATCH★★★
WHAT THE INTERNET SAYS
The internet is split on Claude Opus 4.8. Biggest praise: help with code. Biggest gripe: working when you need it.
481 POSTS · 67 COMMENTS · REDDIT · GITHUB · X · DEV FORUMS · LEMMY · BLUESKY · DEV.TO · BLOG
PEOPLE LOVE
- People feel it is worth the money (6 mentions)
- Popular for coding help (5 mentions)
- Answers come back fast (3 mentions)
PEOPLE COMPLAIN ABOUT
- Outages, errors, or limits get in the way (8 mentions)
TOPIC BY TOPIC
- PriceMOSTLY POSITIVE
6 thumbs up · 4 thumbs down
- Working when you need itA SORE SPOT
2 thumbs up · 8 thumbs down
- Help with codePEOPLE LOVE THIS
5 thumbs up · 1 thumbs down
- SpeedPEOPLE LOVE THIS
3 thumbs up · 1 thumbs down
IN THEIR OWN WORDS
- FROM REDDIT >
“1500% price hike at peak hours and Claude Opus 4.8 is STILL 4x more expensive..”
- FROM REDDIT >
“Open-source models are closing the coding gap with GPT/Claude/Gemini ~1.5x faster than the frontier is advancing, and on decontaminated benchmarks a 27B model already beats Claude Opus 4.8 [live dashboard + analysis].”
LOOKING FOR AN ALTERNATIVE?
Checked picks first: tags say why you would switch, stars say how fully each one stands in for Claude Opus 4.8.
Grok 4.6
GPT 5.6 Sol
Gemini 3.7 Flash> SOURCES (12)
- REDDIT · 2026-08-01 · 1375 UPVOTESDeepSeek is 28x cheaper on on output than Claude Opus 4.8😱
DeepSeek is 28x cheaper on on output than Claude Opus 4.8😱
- REDDIT · 2026-05-28 · 1331 UPVOTESResearchers let AI models run a simulated society. Claude was the safest—and Grok committed 180 crimes and went extinct within 4 days
Researchers let AI models run a simulated society. Claude was the safest—and Grok committed 180 crimes and went extinct within 4 days
- X · 2026-08-15 · 918 UPVOTESGrok 4.6 ranks #1 on RuntimeWire’s Newsroom Reliability v0.2 benchmark with a score of 0.79, beating GPT-5.6 Sol, Claude
Grok 4.6 ranks #1 on RuntimeWire’s Newsroom Reliability v0.2 benchmark with a score of 0.79, beating GPT-5.6 Sol, Claude
- REDDIT · 2026-07-16 · 643 UPVOTESKimi K3 achieves 3rd Place on ArtificalAnalysis, beating out Claude Opus 4.8
Kimi K3 achieves 3rd Place on ArtificalAnalysis, beating out Claude Opus 4.8
- REDDIT · 2026-07-16 · 632 UPVOTESI gave GPT-5.6 Sol, Claude Opus 4.8, and Grok 4.5 the same 100 frontend briefs—here are all 300 results
I gave GPT-5.6 Sol, Claude Opus 4.8, and Grok 4.5 the same 100 frontend briefs—here are all 300 results
- REDDIT · 2026-06-11 · 616 UPVOTESDifferences Between Claude Opus 4.8 and Claude Fable 5 on MineBench
Differences Between Claude Opus 4.8 and Claude Fable 5 on MineBench
- REDDIT · 2026-05-28 · 571 UPVOTESIntroducing Claude Opus 4.8 Anthropic
Introducing Claude Opus 4.8 Anthropic
- REDDIT · 2026-05-28 · 499 UPVOTESIntroducing Claude Opus 4.8
Introducing Claude Opus 4.8
- REDDIT · 2026-08-01 · 366 UPVOTESNewly released Deepseek V4 Flash Official scores close to Claude Opus 4.8. Price: 0.18$ / 1mil OUTPUT tokens
Newly released Deepseek V4 Flash Official scores close to Claude Opus 4.8. Price: 0.18$ / 1mil OUTPUT tokens
- REDDIT · 2026-06-10 · 362 UPVOTESModel Showdown: Fable vs. Everyone
Model Showdown: Fable vs. Everyone
- REDDIT · 2026-05-28 · 297 UPVOTESIntroducing Claude Opus 4.8
Introducing Claude Opus 4.8
- REDDIT · 2026-08-19 · 270 UPVOTESOrnith-1.5 (397B [DeepSWE 56], 35B-A3B, 9B)
Ornith-1.5 (397B [DeepSWE 56], 35B-A3B, 9B)