AI model comparison

Reka Flash 3 vs Nova Micro 1.0

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

Reka Flash 3 is a general-purpose, instruction-tuned large language model with 21 billion parameters, developed by Reka. It excels at general chat, coding tasks, instruction-following, and function calling.

Input / 1M
$0.10
Output / 1M
$0.20
Context
66K

Amazon Nova Micro 1.0 is a text-only model that delivers the lowest latency responses in the Amazon Nova family of models at a very low cost.

Input / 1M
$0.04
Output / 1M
$0.14
Context
128K

At a glance

Quick verdict

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

Lower price

amazon logo

Nova Micro 1.0

2.1x cheaper for a typical chat

Higher intelligence score

rekaai logo

Reka Flash 3

6.4 vs 5.9 on Artificial Analysis

Larger context window

amazon logo

Nova Micro 1.0

128K vs 66K tokens

Newer release

rekaai logo

Reka Flash 3

Released March 12, 2025

Benchmarks

Benchmark scores

Independent scores from Artificial Analysis. Higher is better.

Intelligence index

rekaai logoReka Flash 36.4
amazon logoNova Micro 1.05.9

Coding index

rekaai logoReka Flash 3Not available
amazon logoNova Micro 1.0Not available

Agentic index

rekaai logoReka Flash 3Not available
amazon logoNova Micro 1.0Not available

Pricing

Reka Flash 3 vs Nova Micro 1.0 API pricing

Per-token API rates. Cheaper option highlighted.

Metricrekaai logoReka Flash 3amazon logoNova Micro 1.0
Input tokensPer 1M tokens$0.10$0.04
Output tokensPer 1M tokens$0.20$0.14
Cached input (read)Per 1M tokensNot availableNot available
Cache writePer 1M tokensNot availableNot available

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

rekaai logoReka Flash 3$0.30
amazon logoNova Micro 1.0$0.14

Coding task

30K in, 4K out

rekaai logoReka Flash 3$3.80
amazon logoNova Micro 1.0$1.61

Long document summary

150K in, 2K out

rekaai logoReka Flash 3$15.40
amazon logoNova Micro 1.0$5.53

Specs

Context window and capabilities

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

Metricrekaai logoReka Flash 3amazon logoNova Micro 1.0
Context window66K tokens128K tokens
Max output59K tokens5K tokens
Input typesTextText
Output typesTextText
Reasoning effort levelsNot availableNot available
Default reasoning effortNot availableNot available
Release dateMarch 12, 2025December 5, 2024

Features

Supported features

API features available for each model.

Metricrekaai logoReka Flash 3amazon logoNova Micro 1.0
Tool callingNot supportedSupported
Structured outputsSupportedNot supported
JSON modeNot supportedNot supported
ReasoningSupportedNot supported
TemperatureSupportedSupported
Stop sequencesSupportedSupported
Deterministic seedSupportedNot supported
Verbosity controlNot supportedNot supported

Our take

Nova Micro 1.0 is 2.1x cheaper for a typical chat. Reka Flash 3 scores higher on the Artificial Analysis Intelligence Index (6.4 vs 5.9). Nova Micro 1.0 has the larger context window (128K vs 66K 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 Reka Flash 3 or Nova Micro 1.0 cheaper?

Nova Micro 1.0 is cheaper for a typical chat (2K input tokens and 500 output tokens). Nova Micro 1.0 costs $0.04 per 1M input tokens and $0.14 per 1M output tokens, while Reka Flash 3 costs $0.10 per 1M input tokens and $0.20 per 1M output tokens.

Which has a bigger context window, Reka Flash 3 or Nova Micro 1.0?

Nova Micro 1.0 supports up to 128K tokens of context, compared with 66K for Reka Flash 3.

Is Reka Flash 3 smarter than Nova Micro 1.0?

On the Artificial Analysis Intelligence Index, Reka Flash 3 scores 6.4 and Nova Micro 1.0 scores 5.9, putting Reka Flash 3 ahead. Benchmarks don't capture everything, so the best test is running your own prompts through both.

Can I use Reka Flash 3 and Nova Micro 1.0 at the same time?

Yes. Shortcut Chat sends one prompt to multiple models at once, so you can see Reka Flash 3 and Nova Micro 1.0 answer side by side and keep the better response.

rekaai logoamazon logo

Why choose? Ask both.

Send one prompt to Reka Flash 3 and Nova Micro 1.0 at the same time. Compare the answers side by side and keep the best one.