head-to-head

OpenAI: GPT Sol Latest vs Google: Gemini 3.8 Flash (batch)

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-11-07.

OpenAI: GPT Sol Latest Google: Gemini 3.8 Flash (batch)
Vendor~openaigoogle
Quality Score100100
Input Price$2.00/M$0.38/M
Output Price$10.00/M$1.88/M
Context Window1,050,0001,048,576
Max Output128,00065,536
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio-✓

The verdict

For a sample job of 1 million input tokens and 250,000 output tokens, Gemini 3.8 Flash (batch) costs $0.84 and GPT Sol Latest costs $4.50, so Gemini 3.8 Flash (batch) is about 5.3 times cheaper for the same work.

Both take in a similar amount of text: 1,050,000 and 1,048,576 tokens, about 1,575 and 1,573 pages.

Only Gemini 3.8 Flash (batch) offers audio input and video input.

Across the 10 tasks where they differ, Gemini 3.8 Flash (batch) on 10 (SQL Generation, Code Completion, Code Documentation and others).

Pick Gemini 3.8 Flash (batch) if you need lower cost, audio input, video input or the stronger all-round task scores.

Costs use current list prices per million tokens; page counts assume about 0.75 words per token and 500 words per page.

Who wins by task?

TaskOpenAI: GPT Sol LatestGoogle: Gemini 3.8 Flash (batch)
SQL Generation 132 133
Code Completion 117 131
Code Documentation 129 131
Regex Writing 117 119
CSV / Spreadsheet Cleanup 132 133
JSON Extraction 121 131
Bulk Data Labeling 118 129
Long-Document Summarization 136 137
Short-Form Summarization 113 123
Blog Post Writing 120 121

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

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