LLM Comparison 2026

Compare current production LLMs with real pricing, context windows, and use cases. Data current as of April 2026.

6
Models
Verified
April 2026
$0.075-$15
Input Pricing
1M
Max Context

GPT-4o

OpenAI

Current frontier model

Context Window:

128K

Pricing:

$15 / $60 per 1M (input/output)

Strengths:

Advanced reasoning
Multimodal
Strong coding
Production-ready

Claude 3.5 Sonnet

Anthropic

Best balance of capability and speed

Context Window:

200K

Pricing:

$3 / $15 per 1M

Strengths:

Great coding
Extended context
Production stable
Strong safety

Gemini 2 Flash

Google

Efficient with large context

Context Window:

1M

Pricing:

$0.075 / $0.3 per 1M

Strengths:

Large context
Fast inference
Multimodal
Cost effective

DeepSeek-R1

DeepSeek

Open-source with strong reasoning

Context Window:

64K

Pricing:

Open source (self-host)

Strengths:

Open weights
Reasoning focused
Cost effective
Customizable

Llama 3.1 405B

Meta

Largest open-source model

Context Window:

128K

Pricing:

Open source (self-host)

Strengths:

405B parameters
Open weights
Fine-tunable
No API costs

Mistral Large

Mistral

Efficient proprietary model

Context Window:

32K

Pricing:

$2.7 / $8.1 per 1M

Strengths:

Fast inference
Good value
Multilingual
Production ready

Model Selection Guide

Best for Coding

Recommended:

Claude 3.5 Sonnet
GPT-4o

Strong code generation and understanding for software engineering tasks

Best for Long Documents

Recommended:

Gemini 2 Flash
Claude 3.5 Sonnet

Gemini: 1M tokens | Claude: 200K - excellent for analyzing large documents

Best for Cost

Recommended:

Gemini 2 Flash
Mistral Large
DeepSeek-R1

Gemini: $0.075/1M input | DeepSeek/Llama: Free open-source options

Best for Enterprise

Recommended:

Claude 3.5 Sonnet
GPT-4o

Proven stability and safety for production applications

Best for Self-Hosting

Recommended:

Llama 3.1 405B
DeepSeek-R1

Full control, no per-token costs, customizable for your use case

Best Multimodal

Recommended:

GPT-4o
Gemini 2 Flash
Claude 3.5 Sonnet

Image, video, and text understanding across all options

Note: Pricing and capabilities shown are accurate as of April 2026. LLM capabilities evolve rapidly. For the latest benchmarks and pricing, check the official documentation from each provider.

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