Gemini 3.8 Flash

GoogleMCP Tool CallReasoning
google/gemini-3.8-flashClosed API

Google's most intelligent Flash model, engineered for long-horizon software engineering, autonomous agents, and complex enterprise workflows

Benchmark Pricing$0.75 / 1M in$3.75 / 1M out$0.07 cache read
Context: 1,048,576 tokens•Max Output: 65,536 tokens•Released: 2026-09-02

TECHNICAL SPECIFICATIONS

Context Window1,048,5761M tokens
Max Output65,53665.5K tokens
LicenseProprietaryCloud API only
Input Modalities
TextVisionPDFAudioVideo
Function / Tool CallingSupported (MCP Ready)
Structured OutputsGuaranteed Schema

MODEL CONTEXT PROTOCOL (MCP) READINESS

✓ Gemini 3.8 Flash natively supports OpenAI / Anthropic format tool calling and is fully compatible with MCP servers and agent loops.

MCP Context Window Recommendations

With a context capacity of 1,048,576 tokens, this model can handle extremely large MCP resource manifests, complete database schemas, and multiple active server tool definitions simultaneously without degradation.

STANDARDIZED BENCHMARKS & EVALS

DeepSWEpass@1
73.7
GDPval-AAElo
1545
Finance Agentpass@1
61.4
Harvey Legal Agent Benchmarkall-pass rate
10
Terminal-Benchpass@1
89.4
Terminal-Benchpass@1
19.1
GDP.PDFall-pass rate
35
CharXiv Reasoningpass@1
86.2
LVBenchpass@1
87.8
LVBenchpass@1
87.1
HLE-Verifiedaccuracy
54.9
OSWorldpartial score
59
BioMysteryBenchpass@1
88.8
BioMysteryBenchpass@1
56.5
LAB-Benchmacro-average
86.2

API CALL INVOCATION EXAMPLE

// Example: Calling Gemini 3.8 Flash via OpenAI SDK
import OpenAI from "openai";

const client = new OpenAI({
  apiKey: process.env.GOOGLE_API_KEY,
});

const response = await client.chat.completions.create({
  model: "google/gemini-3.8-flash",
  messages: [{ role: "user", content: "Hello! Can you inspect MCP tools?" }],
});

console.log(response.choices[0].message.content);

PRICING BY PROVIDER

15 providers
Googlegemini-3.8-flash
$0.75 / $3.75$0.07 cache
Cortecsgemini-3.8-flash
$0.82 / $4.13$0.08 cache
NanoGPTgoogle/gemini-3.8-flash
$0.75 / $3.75$0.07 cache
GitHub Copilotgemini-3.8-flash
$0.75 / $3.75$0.07 cache
CrossModelgemini/gemini-3.8-flash
$0.75 / $3.75$0.07 cache
302.AIgemini-3.8-flash
$0.75 / $3.75$0.07 cache
Vivgridgemini-3.8-flash
$0.75 / $3.75$0.15 cache
LLM Gatewaygoogle-vertex/gemini-3.8-flash
$0.75 / $3.75$0.07 cache
Poegoogle/gemini-3.8-flash
$0.76 / $3.79$0.08 cache
Tempr Gatewaygoogle/gemini-3.8-flash
$0.75 / $3.75$0.07 cache
AI/ML APIgoogle/gemini-3-8-flash
$0.97 / $4.88$0.10 cache
Aixygemini/gemini-3.8-flash
$0.75 / $3.75$0.07 cache
Cloudflare AI Gatewaygoogle/gemini-3.8-flash
$0.75 / $3.75$0.07 cache
Venice AIgemini-3-8-flash
$0.94 / $4.69$0.09 cache
AIHubMixgemini-3.8-flash
$0.75 / $3.75$0.07 cache

Rates in USD per 1M tokens. Rates synchronized from models.dev public catalog.

Prompt Caching Active

This model supports prompt caching at $0.07 / 1M tokens, saving up to 90% on repetitive MCP tool definitions and system instructions.

MODEL RESOURCES