Function Calling Models

Models that emit structured tool calls natively, the building block of agents. Cheapest input price first; every one can be called through Everstack's OpenAI-compatible API.

60 models from the Everstack catalog, updated with every catalog release.

#	Model	Provider	Context	Input /1M	Output /1M
1	inclusionAI: Ling 3.0 Flash VL (OpenRouter)	OpenRouter	262.1K	$0.021	$0.062
2	Solar Pro 4 (OpenRouter)	OpenRouter	524.3K	$0.030	$0.12
3	Command R 7B	Cohere	128K	$0.037	$0.15
4	Command R 7B Arabic	Cohere	128K	$0.037	$0.15
5	Gemini 1.5 Flash 8B	Google	1M	$0.037	$0.15
6	Ministral 3B (Latest)	Mistral AI	128K	$0.040	$0.040
7	DeepSeek V4 Flash 0731 (OpenRouter)	OpenRouter	1.3M	$0.040	$0.080
8	Inception: Mercury 2.5 (OpenRouter)	OpenRouter	260K	$0.040	$0.15
9	GPT-5 Nano (Azure)	Azure OpenAI	400K	$0.050	$0.40
10	Nemotron 3.5 Lightning 30B A3B (Fireworks)	Fireworks AI	262.1K	$0.050	$0.20
11	Llama 3.1 8B Instant	Groq	131.1K	$0.050	$0.080
12	GPT-5 Nano	OpenAI	400K	$0.050	$0.40
13	Upstage: Solar Mini 4 (OpenRouter)	OpenRouter	524.3K	$0.050	$0.20
14	Qwen Flash	Qwen	1M	$0.050	$0.40
15	Qwen Turbo	Qwen	1M	$0.050	$0.20
16	GPT OSS 20B (Fireworks)	Fireworks AI	131.1K	$0.070	$0.30
17	GLM-4.7-FlashX	Z. Z.AI	200K	$0.070	$0.40
18	Gemini 1.5 Flash	Google	1.0M	$0.075	$0.30
19	Gemini 2.0 Flash Lite	Google	1.0M	$0.075	$0.30
20	GPT OSS 20B (Groq)	Groq	131.1K	$0.075	$0.30
21	Nex AGI: Nex-N2.5-Pro (OpenRouter)	OpenRouter	262.1K	$0.075	$0.25
22	PrismML: Ternary Bonsai 2 27B (OpenRouter)	OpenRouter	262.1K	$0.075	$0.50
23	Gemini 1.5 Flash	Vertex AI	1.0M	$0.075	$0.30
24	Nemotron 3.5 Lightning 30B A3B (OpenRouter)	OpenRouter	262.1K	$0.080	$0.20
25	Llama 3.1 8B	Cerebras	32K	$0.10	$0.10
26	Gemini 2.0 Flash	Google	1.0M	$0.10	$0.40
27	Gemini 2.5 Flash Lite	Google	1.0M	$0.10	$0.40
28	Ministral 8B	Mistral AI	128K	$0.10	$0.10
29	Mistral Small 3.2	Mistral AI	128K	$0.10	$0.30
30	Voxtral Small (latest)	Mistral AI	32K	$0.10	$0.30
31	GPT-6 Luna	OpenAI	1.1M	$0.10	$0.50
32	Llama 3.3 70B Instruct	OpenRouter	131.1K	$0.10	$0.32
33	OpenAI: GPT-6 Luna Pro (OpenRouter)	OpenRouter	1.1M	$0.10	$0.50
34	OpenAI: GPT-6 Luna (OpenRouter)	OpenRouter	1.1M	$0.10	$0.50
35	Qwen3.5 Flash	Qwen	1M	$0.10	$0.40
36	Llama 4 Scout 17B 16E (Groq)	Groq	131.1K	$0.11	$0.34
37	DeepSeek Chat (V4)	DeepSeek	1M	$0.14	$0.28
38	DeepSeek Reasoner (V4)	DeepSeek	1M	$0.14	$0.28
39	DeepSeek V4 Flash 0731 (Fireworks)	Fireworks AI	1M	$0.14	$0.28
40	DeepSeek V4 Flash 0731 (Hugging Face)	Hugging Face	1.0M	$0.14	$0.28
41	Xiaomi: MiMo-V2.6-Flash (OpenRouter)	OpenRouter	1.0M	$0.14	$0.28
42	DeepSeek V4 Flash 0731 (Together)	Together AI	1M	$0.14	$0.28
43	Command R	Cohere	128K	$0.15	$0.60
44	GPT OSS 120B (Fireworks)	Fireworks AI	131.1K	$0.15	$0.60
45	GPT OSS 120B (Groq)	Groq	131.1K	$0.15	$0.60
46	Mistral Nemo	Mistral AI	128K	$0.15	$0.15
47	Mistral Small 4	Mistral AI	256K	$0.15	$0.60
48	Mistral Small (Latest)	Mistral AI	256K	$0.15	$0.60
49	Pixtral 12B	Mistral AI	128K	$0.15	$0.15
50	GPT-4o Mini	OpenAI	128K	$0.15	$0.60
51	Perceptron: Perceptron Mk1.5 (OpenRouter)	OpenRouter	36.9K	$0.15	$1.50
52	Qwen: Qwen3.8 Omni Flash (OpenRouter)	OpenRouter	1M	$0.15	$0.47
53	GPT OSS 120B (Together)	Together AI	131.1K	$0.15	$0.60
54	Qwen2.5 7B Instruct	Qwen	131.1K	$0.17	$0.70
55	Qwen3 8B	Qwen	131.1K	$0.18	$0.70
56	Qwen3.6 Flash	Qwen	1M	$0.19	$1.13
57	Llama 4 Maverick 17B 128E (Groq)	Groq	131.1K	$0.20	$0.60
58	Step 3.7 Flash (Hugging Face)	Hugging Face	262.1K	$0.20	$1.15
59	GPT-5.4 Nano	OpenAI	400K	$0.20	$1.25
60	GPT-5.6 Luna	OpenAI	1.1M	$0.20	$1.20