Mercury 2
Mercury 2Alternatives?
CheaperGLM 5.3 FlashunstatedOpenwins 69%-37%$0.15 / $0.50Defaults to max · Self-hosted+4
BetterGPT-5 Minihighwins 54%+83%$0.053
OpenKimi K3maxwins 72%+1,500%$2.00Sampling parameters are fixed+3
CheaperHy3unstatedOpenwins 68%-38%$0.13 / $0.53
CheaperGemma 4 31BunstatedOpenwins 67%-57%$0.10 / $0.34GLM 5.3 FlashunstatedOpenwins 69%-37%$0.15 / $0.50Defaults to max · Self-hosted+4Hy3unstatedOpenwins 68%-38%$0.13 / $0.53Gemma 4 31BunstatedOpenwins 67%-57%$0.10 / $0.34GPT-6 Lunamaxwins 66%-47%$0.068Function calling only with none · Chat Completions+3Gemma 4 26B A4BunstatedOpenwins 65%-30%$0.15 / $0.60GPT-5 Minihighwins 54%+83%$0.053GPT-6 Lunamaxwins 66%-47%$0.068Function calling only with none · Chat Completions+3GPT-5.6 Lunaxhighwins 66%+20%$0.085GPT-5.6 Terraxhighwins 69%+1,100%$0.63Prompts with >272K input tokensGPT-6.1 Solmaxwins 72%+967%$0.72Remove unsupported parameters+5Benchmarks
in Writing & LanguageFAQ
How much does Mercury 2 cost?›
$0.25 per 1M input tokens and $0.75 per 1M output tokens; cached input $0.025 per 1M. A typical benchmark task costs about $0.039 at high effort.
Is Mercury 2 free to use?›
There is no free API; the cheapest paid price is $0.25 per 1M input tokens.
How good is Mercury 2, and what is it best at?›
#135 of 334 in Chat & Knowledge, #75 of 132 in Coding, #102 of 133 in Agents & Tool Use, #134 of 195 in Writing & Language, #94 of 133 in Vision & Documents. Strongest at: Instructions.
Is Mercury 2 better than Gemma 2 27B?›
On Arena Text · creative writing, Mercury 2 scores 1,293 vs 1,293 — about the same.
How can I use Mercury 2?›
Through the API of Inception.
What is the context window of Mercury 2?›
128K tokens, with up to 50K output tokens.
When was Mercury 2 released? Is there a newer version?›
Released 2026-02-20. It has been superseded by Mercury 2.5.
Is Mercury 2 open source?›
No, Mercury 2 is a closed model available through an API. The closest open-weights option here is Kimi K3.
Can Mercury 2 read images?›
No, it accepts text only.
What is Mercury 2?›
Mercury 2 is a closed language model from inception, released Feb 2026.
What are the best alternatives to Mercury 2?›
GLM 5.3 Flash (cheaper), GPT-5 Mini (better), Kimi K3 (open weights).