Gemini 2.5 Flash Lite vs GPT-6 Astra

Price, context window & benchmark comparison

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Gemini 2.5 Flash Lite

Google
$0.10 / $0.40
Input / Output · per 1M tokens
VS
O

GPT-6 Astra

OpenAI
$10.00 / $50.00
Input / Output · per 1M tokens
Compare different models
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Verdict: Gemini 2.5 Flash Lite is 114.3× cheaper than GPT-6 Astra on a typical 3:1 input/output mix. GPT-6 Astra has the larger context window (1.1M vs 1M).
Gemini 2.5 Flash LiteGPT-6 Astra
Input price / 1M$0.10$10.00
Output price / 1M$0.40$50.00
Blended price (3:1)$0.18$20.00
Cached input / 1M$0.01$1.00
Context window1M1.1M
Max output66K128K
Intelligence index52.7
Coding index76.9
Providers6
Best provider uptime (30m)100.0%
Vision inputYesYes
ReasoningYesYes
Tool callingYesYes
Released2025-07-222026-09-04
Retirement2026-10-20

Cost calculator

FAQ

Which is cheaper, Gemini 2.5 Flash Lite or GPT-6 Astra?

Gemini 2.5 Flash Lite is 114.3× cheaper than GPT-6 Astra on a typical 3:1 input/output mix.

Gemini 2.5 Flash Lite vs GPT-6 Astra: which has a bigger context window?

Gemini 2.5 Flash Lite: 1,048,576 tokens. GPT-6 Astra: 1,050,000 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Gemini 2.5 Flash Lite ≈ $400.00, GPT-6 Astra ≈ $45,000.

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