Gemini 3.1 Pro Preview Custom Tools
Feb 2026
Gemini 3.1 Pro Preview Custom ToolsCompare inonSWE-bench Verified
Alternatives?
ModelScoreCostPer taskWhat changes
CheaperGLM 5.2maxOpen+4%-52%$1.47No image input
CheaperDeepSeek V4 Pro 0813maxOpen+3%-56%$1.32 / $3.96No image input+5
CheaperQwen3.7 Maxmax+2%-51%$1.48 / $4.43No image input
CheaperKimi K2.6unstatedOpen+1%-62%$0.95 / $4Context: 1M → 256KCheaperQwen3.6 Max Previewunstated+1%-35%$1.30 / $7.80Context: 1M → 262K+2ModelScoreCostPer taskWhat changes
GLM 5.2maxOpen+4%-52%$1.47No image inputDeepSeek V4 Pro 0813maxOpen+3%-56%$1.32 / $3.96No image input+5Qwen3.7 Maxmax+2%-51%$1.48 / $4.43No image inputKimi K2.6unstatedOpen+1%-62%$0.95 / $4Context: 1M → 256KQwen3.6 Max Previewunstated+1%-35%$1.30 / $7.80Context: 1M → 262K+2ModelScoreCostPer taskWhat changes
GLM 5.2maxOpen+4%-52%$1.47No image input
Claude Opus 4.7max+10%+122%$5 / $25DeepSeek V4 Pro 0813maxOpen+3%-56%$1.32 / $3.96No image input+5ModelScoreCostPer taskWhat changes
GLM 5.2maxOpen+4%-52%$1.47No image inputDeepSeek V4 Pro 0813maxOpen+3%-56%$1.32 / $3.96No image input+5Kimi K2.6unstatedOpen+1%-62%$0.95 / $4Context: 1M → 256KGLM 5.1unstatedOpen-2%-52%$1.40 / $4.40Context: 1M → 203K+1Kimi K2.5unstatedOpen-2%-73%$0.60 / $3Context: 1M → 256KModelScoreCostPer taskWhat changes
Gemini 3 Flash Previewunstatedsame—$0.50 / $3Gemini 2.5 Prounstated-24%—$1.25 / $10Gemini 4 Argonhighn/a—*$1.99Synchronous output stops at 65,536+2Gemini 3.8 Flashmediumn/a—*$0.93Sampling parameters are ignored+1Gemini 3.5 Flash Litehighn/a—$0.19Gemini 3.6 Flashhighn/a—*$1.60DiffusionGemma 26B A4BOpenn/a—$0.05 / $0.15Context: 1M → 256KGemma 4 12BthinkingOpenn/a—$0.10 / $0.30Context: 1M → 256KAll Google models →Benchmarks
in CodingFAQ
How much does Gemini 3.1 Pro Preview Custom Tools cost?›
$2 per 1M input tokens and $12 per 1M output tokens; cached input $0.20 per 1M.
Is Gemini 3.1 Pro Preview Custom Tools free to use?›
There is no free API; the cheapest paid price is $2 per 1M input tokens.
How good is Gemini 3.1 Pro Preview Custom Tools, and what is it best at?›
#9 of 24 in Coding.
Is Gemini 3.1 Pro Preview Custom Tools better than Qwen3.6 Max Preview?›
On SWE-bench Verified · Epoch, Gemini 3.1 Pro Preview Custom Tools scores 75.6 vs 76.7 — lower.
How can I use Gemini 3.1 Pro Preview Custom Tools?›
Through the API of Google AI Studio.
What is the context window of Gemini 3.1 Pro Preview Custom Tools?›
1M tokens, with up to 66K output tokens.
When was Gemini 3.1 Pro Preview Custom Tools released? Is there a newer version?›
Released 2026-02-19. It is the current version in its line.
Is Gemini 3.1 Pro Preview Custom Tools open source?›
No, Gemini 3.1 Pro Preview Custom Tools is a closed model available through an API. The closest open-weights option here is GLM 5.2.
Can Gemini 3.1 Pro Preview Custom Tools read images?›
It accepts text and images, PDF files, audio, video as input.
What is Gemini 3.1 Pro Preview Custom Tools?›
Gemini 3.1 Pro Preview Custom Tools is a closed language model from Google, released Feb 2026.
What are the best alternatives to Gemini 3.1 Pro Preview Custom Tools?›
GLM 5.2 (cheaper).