Models / Google
Gemini 3.1 Pro Preview
by Google ·
google/gemini-3.1-pro-previewGemini 3.1 Pro Preview is Google’s frontier reasoning model, delivering enhanced software engineering performance, improved agentic reliability, and more efficient token usage across complex workflows. Building on the multimodal foundation...
reasoningtool-usevisionreleased 2026-02-19
Legal score · raw
-
not yet benchmarked
Context
1.05M
max output 66K
Input
$2.50
per 1M tokens
Output
$15
per 1M tokens
Suite cost
-
no run recorded
Prompt caching
Grounded answers re-send the same retrieved authority every turn, so a cached read is what a long matter actually costs. Prices are per 1M tokens, from the provider’s own catalog.
Cache read
$0.25
10x cheaper than uncached
Cache write
$0.47
per 1M tokens, charged once
Uncached input
$2.50
per 1M tokens
Capabilities
Modalities
in audiofileimagetextvideo
out text
Request parameters it accepts
include_reasoningmax_tokensreasoningreasoning_effortresponse_formatseedstopstructured_outputstemperaturetool_choicetoolstop_p
Benchmark results
This model has not been run through the suite yet. See Humanity's Last Lawsuit for the benchmark models are ranked on.