PickAIModel.com - Compare Claude Opus 4.8 and Claude Sonnet 4.6
Claude Opus 4.8 vs Claude Sonnet 4.6: pricing, Quality, Value, and benchmarks
Side-by-side buyer comparison built from the current published top 10 snapshot. Quality and Value stay deterministic, while editorial verdict excerpts remain clearly AI-labeled.
Verified evidenceVerified evidence
Claude Opus 4.8 Quality
100.0
Claude Sonnet 4.6 Quality
56.2
Quality delta
+43.8Claude Opus 4.8 leads
Value delta
+21.5Claude Opus 4.8 leads
Buyer summary
Claude Opus 4.8 leads Quality by 43.8 points. Claude Opus 4.8 leads Value by 21.5 points.
Shared roster
Both pages link back to the same published roster and methodology, so the comparison stays on one deterministic evidence set.
Claude Opus 4.8 is Anthropic's newest Opus model, strongest for coding, agentic tasks, and complex professional work where the vendor-reported benchmark evidence applies.
Monthly price
Claude Pro: $20/month
App access
Claude
Conversation benchmark
~392 chats
Deterministic
Claude Pro public monthly plan reference.
Deterministic
Claude Opus 4.8 is available in Claude and through the Claude API.
Best if you want near-flagship Claude performance for everyday coding, documents, and knowledge work without paying flagship prices.
Monthly price
Claude Pro: $20/month
App access
Claude
Conversation benchmark
~654 chats
Verified vendor fact
Consumer plan pricing is grounded in the current official vendor plan page.
Verified vendor fact
Hosted app availability is grounded in the current official vendor surface.
Deterministic scores
Quality and Value comparison
Claude Opus 4.8
Q 100.0
V 42.9
Quality rank 1 and value rank 6 in the current published roster.
Claude Sonnet 4.6
Q 56.2
V 21.4
Quality rank 6 and value rank 8 in the current published roster.
Buyer access
Pricing, app access, and Conversation Value
Claude Opus 4.8
Deterministic3K tokens/chat
Claude Pro: $20/month
~392 chats
Hosted app: Claude
Claude Sonnet 4.6
Verified vendor fact3K tokens/chat
Claude Pro: $20/month
~654 chats
Hosted app: Claude
Benchmark evidence
Claude Opus 4.8
Verified evidence
Humanity's Last Exam
Normalized quality input
49.8%
Anthropic Claude Opus 4.8 release page | Vendor-reported Anthropic Opus 4.8 HLE no-tools score. Do not replace with tools-enabled or adaptive-effort HLE variants.
SWE-Bench Pro
Software engineering task resolution
69.2%
Anthropic Claude Opus 4.8 release page | Vendor-reported Anthropic Opus 4.8 SWE-Bench Pro score. Do not substitute SWE-Bench Verified.
Benchmark evidence
Claude Sonnet 4.6
Verified evidence
Humanity's Last Exam
Normalized quality input
33.2%
Official vendor benchmark page | Replaces the prior underreported HLE row.
GPQA Diamond
Graduate-level science QA
89.9%
Anthropic Claude Sonnet 4.6 model card | Official accepted GPQA Diamond value. Do not carry forward the stale 74.1% row.
ARC-AGI-2
Novel pattern reasoning
58.3%
ARC Prize leaderboard | ARC-AGI-2 is shown as supplementary evidence only and is not currently included in the PickAI Quality Score.
MRCR v2
128k retrieval
84.9%
Google DeepMind Gemini 3.1 Pro comparison table | Vendor-published cross-model comparison table. Treat this as current official evidence, not neutral third-party benchmarking.
Editorial excerpt
Claude Opus 4.8
AI-assisted, editorially reviewed
Claude Opus 4.8 is Anthropic's newest Opus model, strongest for coding, agentic tasks, and complex professional work where the vendor-reported benchmark evidence applies.
Claude Opus 4.8 is under active editorial review. Current public ranking data is limited to accepted source/fact evidence for benchmarks, pricing, and context rather than AI-generated score changes.
Editorial excerpt
Claude Sonnet 4.6
AI-assisted, editorially reviewed
Best if you want near-flagship Claude performance for everyday coding, documents, and knowledge work without paying flagship prices.
Claude Sonnet 4.6 is Anthropic's everyday AI model, released in February 2026, and the default for all free and standard subscribers. It approaches Opus-level intelligence at a price point that makes it practical for far more tasks Anthropic - making it the best value option in the Claude lineup. It handles writing, research, document analysis, and everyday questions with impressive accuracy and speed. It can hold entire codebases, lengthy contracts, or dozens of research papers in a single session Eesel AI, and reasons effectively across all of it. Early users report near human-level capability in tasks like navigating complex spreadsheets or filling out multi-step web forms. Anthropic Best suited for users who want a fast, reliable, and highly capable AI assistant for daily personal or professional use without needing the deepest reasoning that Opus offers
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