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Cheapest Frontier-Grade LLM APIs in 2026

The most capable LLMs available — GPT-4o, Claude, Gemini Pro, and other frontier models. Compare pricing across providers.

What is the cheapest frontier-grade LLM?

The cheapest frontier-grade LLM API is DeepSeek R1 0528 Qwen3 8B via Novita AI at $0.068 per million tokens. 154 frontier models are compared across all providers.

Frontier-Grade Models by Price

154 models
#ModelInputOutput
121Claude Sonnet 4.6 Default
$3.00$15.00
122Claude Sonnet 4.6
$3.00$15.00
132Claude Opus 4.6 Default
$5.00$25.00
134Claude Opus 4.6
$5.00$25.00
136Claude Opus 4.6 V1
$5.50$27.50
54Gemini 3 Flash Preview
$0.500$3.00
96Gemini 3 Pro
$2.00$12.00
97Gemini 3 Pro Image Preview
$2.00$12.00
98Gemini 3 Pro Preview
$2.00$12.00
100GPT 5.2 Chat Latest
$1.75$14.00
103GPT 5.2 Chat
$1.75$14.00
104GPT 5.2 Codex
$1.75$14.00
105GPT 5 2
$1.75$14.00
151GPT 5.2 Pro
$21.00$168.00
12DeepSeek: DeepSeek V3.2 Exp
Open
$0.210$0.320
17DeepSeek V3.2
$0.260$0.380
34DeepSeek V3.2 Speciale
$0.480$1.44
40accounts/fireworks/models/deepseek-v3p2
$0.560$1.68
33GPT 5.1 Codex Mini
$0.250$2.00
71GPT 5.1 Codex Max
$1.25$10.00
74GPT 5.1 Codex
$1.25$10.00
76GPT 5 1
$1.25$10.00
78GPT 5.1 Chat
$1.25$10.00
80GPT 5.1 Chat Latest
$1.25$10.00
133Claude Opus 4.5
$5.00$25.00
70GPT 5 Search Api
$1.25$10.00
150GPT 5 Pro
$15.00$120.00
124Claude Sonnet 4.5
$3.00$15.00
32GPT 5 Mini
$0.250$2.00
65OpenAI: GPT-5 Image Mini
$3.00$2.40
72GPT 5 Chat
$1.25$10.00
75GPT 5 Codex
$1.25$10.00
81GPT 5 Chat Latest
$1.25$10.00
83GPT 5
$1.25$10.00
137OpenAI: GPT-5 Image
$12.00$12.00
147Claude Opus 4.1
$15.00$75.00
88O4 Mini Deep Research
$2.00$8.00
143o3 Deep Research
$10.00$40.00
149O3 Pro
$20.00$80.00
16Nex AGI: DeepSeek V3.1 Nex N1
$0.162$0.600
1DeepSeek R1 0528 Qwen3 8B
$0.060$0.090
9DeepSeek R1 0528 Distill Qwen3 8B
$0.200$0.200
23DeepSeek: DeepSeek V3.1 Terminus
Open
$0.210$0.790
24DeepSeek V3.1
$0.210$0.790
25DeepSeek: DeepSeek V3.1 Terminus (exacto)
Open
$0.252$0.948
41accounts/fireworks/models/deepseek-v3p1
$0.560$1.68
50DeepSeek: R1 0528
Open
$0.500$2.15
117Claude 4 Sonnet
$3.00$15.00
123Claude Sonnet 4
$3.00$15.00
146Claude 4 Opus
$15.00$75.00

* Prices include ~20% OpenRouter platform fee (verified against actual billing).

Frequently Asked Questions

The cheapest frontier-grade LLM API is DeepSeek R1 0528 Qwen3 8B via Novita AI at $0.068 per million tokens (blended rate). There are 154 frontier models available.