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Anthropic Claude Sonnet Latest vs Claude Opus 4.8

How do these models stack up? Below is an expert side-by-side comparison of specifications, context window capacity, live pricing per million tokens, and standardized benchmark scores for Anthropic Claude Sonnet Latest and Claude Opus 4.8.

Anthropic

Anthropic Claude Sonnet Latest

This model always redirects to the latest model in the Anthropic Claude Sonnet family.

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Anthropic

Claude Opus 4.8

Claude Opus 4.8 is Anthropic's most capable generally available model in the Opus family. It supports text, image, and file inputs with text output, with reasoning support and a 1M-token...

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Technical Specifications

SpecificationAnthropic Claude Sonnet LatestClaude Opus 4.8
ProviderAnthropicAnthropic
Context Window1,000,000 tokens1,000,000 tokens
Agent SuitabilityN/A97/100
Time to First Token (TTFT)N/A520 ms
Deployment Modelmanaged apimanaged api
Production Stabilitybetabeta
API AvailableYesYes
Released Date2026-04-272026-05-27

API Pricing Comparison

Input Price per Million Tokens

Anthropic Claude Sonnet Latest

$2.00

Claude Opus 4.8

$5.00

Output Price per Million Tokens

Anthropic Claude Sonnet Latest

$10.00

Claude Opus 4.8

$25.00

Want to test both models live?

Run side-by-side prompt prompts in our dynamic Sandbox. Check execution speeds, latency metrics, and compute actual costs in real-time.

Benchmark Performance Metrics

Scores show the raw performance percentages verified across key evaluation suites. Higher bars indicate superior accuracy and capability in that domain.

MMLUGeneral knowledge & multi-task understanding
N/Avs9540.0%
Anthropic Claude Sonnet Latest
Claude Opus 4.8
HumanEvalPython coding & logic synthesis
N/Avs9720.0%
Anthropic Claude Sonnet Latest
Claude Opus 4.8
MATHComplex mathematical problem solving
N/Avs9410.0%
Anthropic Claude Sonnet Latest
Claude Opus 4.8
GPQAGraduate-level expert reasoning
N/Avs8650.0%
Anthropic Claude Sonnet Latest
Claude Opus 4.8
HellaSwagCommonsense reasoning and inference
N/Avs9920.0%
Anthropic Claude Sonnet Latest
Claude Opus 4.8
MT-BenchMulti-turn conversation flow quality
N/Avs980.0%
Anthropic Claude Sonnet Latest
Claude Opus 4.8

Anthropic Claude Sonnet Latest Quirks & Gotchas

No developer gotchas reported.

Claude Opus 4.8 Quirks & Gotchas

  • โ–ธBest-in-class for autonomous code repair and multi-agent orchestration
  • โ–ธPreview model โ€” API may introduce breaking changes without notice