picksbymodel Get API access →
head-to-head

OpenAI: GPT-5.6 Sol (batch) vs Anthropic: Claude Opus 4.8 (batch)

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-08-08.

OpenAI: GPT-5.6 Sol (batch) Anthropic: Claude Opus 4.8 (batch)
Vendoropenaianthropic
Quality Score100100
Benchmark Score99.394.7
Input Price$2.50/M$2.50/M
Output Price$15.00/M$12.50/M
Context Window1,050,0001,000,000
Max Output128,000128,000
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--
Benchmark Scores
ai_index100.094.6
ai_index_agentic95.381.5
ai_index_coding100.0100.0
eqbench-83.3

Who wins by task?

TaskOpenAI: GPT-5.6 Sol (batch)Anthropic: Claude Opus 4.8 (batch)
SQL Generation 174 178
Code Review 171 179
Code Completion 118 121
Code Refactoring 167 176
Bug Fixing 187 193
Unit Test Generation 157 161
Code Documentation 142 148
Regex Writing 136 138
CI/CD Pipelines 147 151
Frontend Component Design 149 151
Data Analysis 177 178
CSV / Spreadsheet Cleanup 154 158
ETL Scripting 157 164
Bulk Data Labeling 122 123
OCR / Document Parsing 147 149
Table Extraction from PDFs 147 149
Long-Document Summarization 162 171
Short-Form Summarization 122 123
Blog Post Writing 142 146

Scores reflect capability match + benchmark data + pricing for each task. Methodology →

Related comparisons

Meta: Muse Spark 1.2 vs OpenAI: GPT-5.6 Sol (batch) Meta: Muse Spark 1.2 vs Anthropic: Claude Opus 4.8 (batch) Qwen: Qwen3.8 Max vs OpenAI: GPT-5.6 Sol (batch) Qwen: Qwen3.8 Max vs Anthropic: Claude Opus 4.8 (batch) Thinking Machines: Inkling Small vs OpenAI: GPT-5.6 Sol (batch) Thinking Machines: Inkling Small vs Anthropic: Claude Opus 4.8 (batch) Qwen: Qwen3.7 Flash vs OpenAI: GPT-5.6 Sol (batch) Qwen: Qwen3.7 Flash vs Anthropic: Claude Opus 4.8 (batch)