AI model comparison

GLM 4.7 Flash vs GPT-5 Nano

Pricing, context window, benchmarks, and features compared side by side. Or skip the guesswork and send one prompt to both.

As a 30B-class SOTA model, GLM-4.7-Flash offers a new option that balances performance and efficiency.

Input / 1M
$0.06
Output / 1M
$0.40
Context
200K

GPT-5-Nano is the smallest and fastest variant in the GPT-5 system, optimized for developer tools, rapid interactions, and ultra-low latency environments.

Input / 1M
$0.05
Output / 1M
$0.40
Context
400K

At a glance

Quick verdict

How the two models stack up on the things people ask about most.

Lower price

openai logo

GPT-5 Nano

1.1x cheaper for a typical chat

Higher intelligence score

z-ai logo

GLM 4.7 Flash

14.9 vs 13 on Artificial Analysis

Larger context window

openai logo

GPT-5 Nano

400K vs 200K tokens

Newer release

z-ai logo

GLM 4.7 Flash

Released January 19, 2026

Benchmarks

Benchmark scores

Independent scores from Artificial Analysis. Higher is better.

Intelligence index

z-ai logoGLM 4.7 Flash14.9
openai logoGPT-5 Nano13

Coding index

z-ai logoGLM 4.7 FlashNot available
openai logoGPT-5 NanoNot available

Agentic index

z-ai logoGLM 4.7 FlashNot available
openai logoGPT-5 NanoNot available

Pricing

GLM 4.7 Flash vs GPT-5 Nano API pricing

Per-token API rates. Cheaper option highlighted.

Metricz-ai logoGLM 4.7 Flashopenai logoGPT-5 Nano
Input tokensPer 1M tokens$0.06$0.05
Output tokensPer 1M tokens$0.40$0.40
Cached input (read)Per 1M tokensNot available$0.01
Cache writePer 1M tokensNot availableNot available
Web searchPer requestNot available$0.01

What it costs in practice

Estimated cost per 1,000 requests at standard rates. Coding and long-document figures also show the cost when the input is already cached.

Chat message

2K in, 500 out

z-ai logoGLM 4.7 Flash$0.32
openai logoGPT-5 Nano$0.30

Coding task

30K in, 4K out

z-ai logoGLM 4.7 Flash$3.42
openai logoGPT-5 Nano$3.10$1.75 cached

Long document summary

150K in, 2K out

z-ai logoGLM 4.7 Flash$9.88
openai logoGPT-5 Nano$8.30$1.55 cached

Specs

Context window and capabilities

How much each model can read, how much it can write, and what it accepts as input.

Metricz-ai logoGLM 4.7 Flashopenai logoGPT-5 Nano
Context window200K tokens400K tokens
Max output118K tokens128K tokens
Input typesTextFile, Image, Text
Output typesTextText
Reasoning effort levelsNot availableHigh, Medium, Low, Minimal
Default reasoning effortNot availableMedium
Release dateJanuary 19, 2026August 7, 2025

Features

Supported features

API features available for each model.

Metricz-ai logoGLM 4.7 Flashopenai logoGPT-5 Nano
Tool callingSupportedSupported
Structured outputsSupportedSupported
JSON modeSupportedSupported
ReasoningSupportedSupported
TemperatureSupportedNot supported
Stop sequencesSupportedNot supported
Deterministic seedSupportedSupported
Verbosity controlNot supportedSupported

Our take

GPT-5 Nano is 1.1x cheaper for a typical chat. GLM 4.7 Flash scores higher on the Artificial Analysis Intelligence Index (14.9 vs 13). GPT-5 Nano has the larger context window (400K vs 200K tokens). The right pick depends on your workload, so the quickest way to settle it is to send the same prompt to both and compare.

FAQ

Frequently asked questions

Is GLM 4.7 Flash or GPT-5 Nano cheaper?

GPT-5 Nano is cheaper for a typical chat (2K input tokens and 500 output tokens). GPT-5 Nano costs $0.05 per 1M input tokens and $0.40 per 1M output tokens, while GLM 4.7 Flash costs $0.06 per 1M input tokens and $0.40 per 1M output tokens.

Which has a bigger context window, GLM 4.7 Flash or GPT-5 Nano?

GPT-5 Nano supports up to 400K tokens of context, compared with 200K for GLM 4.7 Flash.

Is GLM 4.7 Flash smarter than GPT-5 Nano?

On the Artificial Analysis Intelligence Index, GLM 4.7 Flash scores 14.9 and GPT-5 Nano scores 13, putting GLM 4.7 Flash ahead. Benchmarks don't capture everything, so the best test is running your own prompts through both.

Can I use GLM 4.7 Flash and GPT-5 Nano at the same time?

Yes. Shortcut Chat sends one prompt to multiple models at once, so you can see GLM 4.7 Flash and GPT-5 Nano answer side by side and keep the better response.

z-ai logoopenai logo

Why choose? Ask both.

Send one prompt to GLM 4.7 Flash and GPT-5 Nano at the same time. Compare the answers side by side and keep the best one.