COMPARISON / AI MODELS

Gemini 3.8 Flash vs. GPT-6 Astra

Compare published indexes, API pricing and context limits. Pick two to four options to explore how they differ.

Snapshot: 2026-09-08 · Public sources · Not a real-time feed

Atlas · version 1 · Reviewed on 2026-09-08 · Not a real-time feed · Evidence d15f1a66e958

GoOption 1

Google · View details

OpOption 2

OpenAI · View details

Option 3

Same category, comparable metrics

Option 4

Same category, comparable metrics

AT A GLANCE

What changes between your options

CSV

Differences only Only metrics everyone has data forHighlighted = best value on that dimension, not an overall winner

Comparison of Gemini 3.8 Flash, GPT-6 Astra
Metric	Gemini 3.8 Flash	GPT-6 Astra
LLM Statspoints · higher is better	51LLM Stats ↗	60.7LLM Stats ↗
Reasoningpoints · higher is better	46.9LLM Stats ↗	58.7LLM Stats ↗
Codingpoints · higher is better	39.3LLM Stats ↗	49LLM Stats ↗
Input priceUSD / M tokens · lower is better	$0.75Vendor ↗	$10.00Vendor ↗
Output priceUSD / M tokens · lower is better	$3.75Vendor ↗	$50.00Vendor ↗
Contexttokens · higher is better	1.05MVendor ↗	1.05MVendor ↗
Max outputtokens · higher is better	66KVendor ↗	128KVendor ↗

Standard API, USD per million tokens, no caching, short context. Indexes are an LLM Stats snapshot; they are not percentages or Codifly tests. A curated catalog, not an exhaustive one.

VISUAL COMPARISON

Compare each dimension

Metric

LLM Stats

Composite index published by LLM Stats. It is not a percentage of correct answers.

030.3560.7

GPT-6 Astra

60.7

Gemini 3.8 Flash

Price versus index

A relationship between two dimensions, not an automatic recommendation.

Select a product in the legend to isolate it. Points may overlap.

PRICING ANALYSIS

What would your usage cost?

Input × rate + output × rate. Change the volume to see the difference.

Input tokens (millions)Output tokens (millions)

Aggregate volume of short-context requests. No caching, tools, taxes, batch or long-context surcharges. Not a quote.

Gemini 3.8 Flash$15.00Estimated USD

GPT-6 Astra$200.00Estimated USD

DETAILS THAT MATTER

Specs and operations

Feature	Gemini 3.8 Flash	GPT-6 Astra
Distribución	API propietaria	API propietaria
Entradas	Texto, imagen, audio, vídeo, PDF	Texto, imagen
Límite de contexto	Entrada: 1.048.576 tokens	Ventana total: 1.050.000; entrada máxima: 922.000 tokens
Salidas	Texto	Texto

EVIDENCE, NOT ASSUMPTIONS

Sources, scope and fine print

What to validate before you make a decision.

Methodology

Gemini 3.8 Flash

Precio promocional hasta el 31 dic 2026: después, entrada $1,50 y salida $7,50/M. La salida incluye thinking. El contexto mostrado es límite de entrada, no ventana total.

Checked on 2026-09-08 · Editorial update

GPT-6 Astra

Más de 272K tokens de entrada: 2× entrada y 1,5× salida para toda la solicitud. Sol tiene precio promocional al menos hasta el 21 nov 2026. Acceso sujeto a elegibilidad del proveedor.

Checked on 2026-09-08 · Editorial update