NVIDIA: esm2-650m
esm2-650m is a language model from NVIDIA released on Aug 29, 2024. It reads text and writes text, with a 128K token context window and up to 8K tokens per reply.
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It costs $0 per million input tokens and $0 per million output tokens.
Its weights are open, so you can host it yourself.
- Modalities
- In / out price
- $0 / $0 per 1M
- Context
- 128K
- Max output
- 8K
- Released
- Aug 29, 2024
- Knowledge cutoff
- n/a
- Tool calling
- Structured output
- Reasoning
- Prompt caching
- Open weights
- Free to use
esm2-650m pricing
USD, as listed on Oct 15, 2026. Most bills are input heavy, so the cached input rate matters as much as the headline price.
| Input | $0 / 1M tokens | |
|---|---|---|
| Output | $0 / 1M tokens |
What esm2-650m costs per month
Pick a workload close to yours or type your own volumes.
Supported request parameters
What you can set when you call esm2-650m through an OpenAI compatible API.
- Temperature
temperature
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esm2-650m questions
How much does the esm2-650m API cost?
$0 per million input tokens and $0 per million output tokens. The estimator on this page turns that into a monthly bill for your own workload.
What is the context window of esm2-650m?
128,000 tokens of input, and it can write up to 8,192 tokens in one reply. As a rough guide, a million tokens is around 750,000 English words.
Does esm2-650m support tool calling?
Not through the standard tools parameter. For an agent that calls your APIs, pick a model from the alternatives below that does.
Is esm2-650m open source?
Its weights are published, so you can run it on your own hardware or a cloud of your choice. Read the license before commercial use.
When was esm2-650m released?
Aug 29, 2024.
Catalog data from models.dev (MIT licensed), refreshed daily, last on Oct 15, 2026. The summary is written from these facts.
Building on esm2-650m?
I test your real tasks on it and the two closest alternatives, then ship the agent on whichever wins on cost and accuracy.
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