diff --git a/models/celeris/celeris-1.toml b/models/celeris/celeris-1.toml
new file mode 100644
index 0000000000..667849d9b7
--- /dev/null
+++ b/models/celeris/celeris-1.toml
@@ -0,0 +1,26 @@
+name = "Celeris-1"
+description = "Diffusion language model for ultra-low-latency classification, extraction, judging, query rewriting, and other short structured responses"
+family = "celeris"
+release_date = "2026-07-25"
+last_updated = "2026-08-04"
+attachment = true
+reasoning = false
+temperature = true
+tool_call = true
+structured_output = false
+open_weights = false
+
+[limit]
+context = 131_072
+output = 131_072
+
+[modalities]
+input = ["text", "image"]
+output = ["text"]
+
+[[benchmarks]]
+name = "MMLU-Pro"
+score = 75.9
+metric = "percent correct"
+source = "https://celeris.ai/"
+date = "2026-07-25"
diff --git a/packages/core/src/family.ts b/packages/core/src/family.ts
index 5323fa51d1..363f873f64 100644
--- a/packages/core/src/family.ts
+++ b/packages/core/src/family.ts
@@ -225,6 +225,9 @@ export const ModelFamilyValues = [
   // Mercury
   "mercury",
 
+  // Celeris
+  "celeris",
+
   // Cogito
   "cogito",
 
diff --git a/providers/celeris/logo.svg b/providers/celeris/logo.svg
new file mode 100644
index 0000000000..222ee180ec
--- /dev/null
+++ b/providers/celeris/logo.svg
@@ -0,0 +1 @@
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diff --git a/providers/celeris/models/celeris-1.toml b/providers/celeris/models/celeris-1.toml
new file mode 100644
index 0000000000..30b08ba719
--- /dev/null
+++ b/providers/celeris/models/celeris-1.toml
@@ -0,0 +1,8 @@
+# Pricing:
+# - https://docs.celeris.ai/pricing
+# - https://celeris.ai/pricing.html
+base_model = "celeris/celeris-1"
+
+[cost]
+input = 0.2
+output = 0.7
diff --git a/providers/celeris/provider.toml b/providers/celeris/provider.toml
new file mode 100644
index 0000000000..606097089a
--- /dev/null
+++ b/providers/celeris/provider.toml
@@ -0,0 +1,8 @@
+# OpenAI-compatible; model is selected via the base URL path segment
+# (https://inference.celeris.ai/<model>/v1), which must match the request `model` field.
+# https://docs.celeris.ai/models
+name = "Celeris"
+env = ["CELERIS_API_KEY"]
+npm = "@ai-sdk/openai-compatible"
+api = "https://inference.celeris.ai/celeris-1/v1"
+doc = "https://docs.celeris.ai"