Claude Opus 4.8
by Anthropictext+image+file->text7 endpoints
Neura Intelligence Index
91.9/ 100
Rank
#4—
Confidence
highBenchmarks
9(23% coverage)
Overview
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...
Capabilities
Text generation
Image understanding
Tool use / Function calling
Structured output
Extended reasoning
Prompt caching
Modalities
Input
TextImageFile
Output
Text
Technical Specifications
Context Window
1M tokens
Max Output
128K tokens
Tokenizer
Claude
Content Moderation
Enabled
Uptime (24h)
10000.0%
Country
🇺🇸US
Release Date
Supported Parameters
include_reasoningmax_completion_tokensmax_tokensreasoningreasoning_effortresponse_formatstopstructured_outputstemperaturetool_choicetoolsverbosity
Benchmark Performance
coding
| Benchmark | Score | Source |
|---|---|---|
| SWE-bench Verified | 88.6 | verified |
| SWE-Bench Pro | 69.2 | verified |
reasoning
| Benchmark | Score | Source |
|---|---|---|
| GPQA Diamond | 93.6 | verified |
| Humanity's Last Exam |
Performance Over Time
Pricing
Per 1M tokens
Input$5.00
Output$25.00
Cache read$0.50
Cache write$6.25