M

Mercury 2.5

Mercuryv2.5Current
Released September 8, 2026
API Docs
Context260K tokens
Price (In / Out)$0.04/M / $0.15/M
CategoryLarge Language Model

About Mercury 2.5

Mercury 2.5 is a proprietary reasoning model from Inception listed by Artificial Analysis. The model page reports a 260,000-token context window, high output speed, and low listed token pricing for a reasoning-capable model.

Capabilities

textreasoninglong context

Input Modalities

text

Output Modalities

text

Technical Details

API Identifier
mercury-2-5
Category
Large Language Model
Context Window
260,000 tokens

Tags

mercuryinceptionreasoning-modellong-contextartificial-analysisproprietary

Benchmarks

Performance scores for Mercury 2.5 across standard benchmarks.

Artificial Analysis Intelligence Indexhttps://artificialanalysis.ai/models/mercury-2-5 · Sep 2026
12
AA median output speed tokens/sechttps://artificialanalysis.ai/models/mercury-2-5 · Sep 2026
770.4
AA median time to first chunk secondshttps://artificialanalysis.ai/models/mercury-2-5 · Sep 2026
3.1

Pricing

Token pricing for Mercury 2.5 API usage.

Input Tokens

$0.04/M

per million tokens

Output Tokens

$0.15/M

per million tokens

Inception's direct model page currently advertises launch pricing of $0.04/M input and $0.15/M output, with $0.004/M cached input. Standard prices shown alongside are $0.20/M input, $0.75/M output and $0.02/M cached input. The discount duration is not specified; reverify before budgeting.

Competing Models

Same pricing tier — direct alternatives to Mercury 2.5

Efficiency
Hermes 4 70Bnous-research
$0.13/M / $0.40/MCompare
ERNIE 4.5 21B A3B Thinkingbaidu
$0.07/M / $0.28/MCompare
LFM2-24B-A2Bliquid-ai
$0.03/M / $0.12/MCompare
Olmo 3.1 32B Instructallenai
$0.20/M / $0.60/MCompare
Phi 4microsoft
$0.07/M / $0.14/MCompare
Step 3.5 Flashstepfun
$0.10/M / $0.30/MCompare
Solar Pro 3upstage
5
13.9
$0.15/M / $0.60/MCompare
Granite 4.0 Microibm
$0.02/M / $0.11/MCompare
Hunyuan A13B Instructtencent
$0.14/M / $0.57/MCompare
DeepSeek V3.2deepseek
$0.26/M / $0.42/MCompare
Nemotron 3 Supernvidia
$0.09/M / $0.45/MCompare
ERNIE 4.5 21B A3Bbaidu
$0.07/M / $0.28/MCompare
Command R7B (12-2024)cohere
$0.04/M / $0.15/MCompare
Reka Flash 3reka
$0.10/M / $0.20/MCompare
Olmo 3 32B Thinkallenai
$0.15/M / $0.50/MCompare
DeepSeek V3.2 Expdeepseek
$0.27/M / $0.41/MCompare
Trinity Miniarcee-ai
$0.04/M / $0.15/MCompare
Hermes 3 70B Instructnous-research
$0.30/M / $0.30/MCompare
Llama Guard 3 8Bmeta
$0.48/M / $0.03/MCompare
Nemotron 3 Nano 30B A3Bnvidia
$0.05/M / $0.20/MCompare
Nova Micro 1.0amazon
$0.04/M / $0.14/MCompare
Command R (08-2024)cohere
$0.15/M / $0.60/MCompare
DiffusionGemmagoogle
Free / FreeCompare
Leanstral 1.5mistral
Free / FreeCompare
North Mini Codecohere
Free / FreeCompare
GLM-5.3-Flashz-ai
74
456
$0.07/M / $0.25/MCompare
GPT-6 Lunaopenai
$0.10/M / $0.50/MCompare