GPT-OSS 120B (Cerebras) API
Cerebras · serves gpt-oss-120b
Pricing
| Input / 1M | $0.35 |
|---|---|
| Output / 1M | $0.75 |
| Blended / 1M | $1.1 |
| Cached input / 1M | $0.35 |
| Context window | 131,072 tokens |
| Max output | 32,768 tokens |
| License | Open weights · Apache 2.0 permissive |
| Knowledge cutoff | June 2024 · source |
| Intelligence index | 24.1 Artificial Analysis Intelligence Index · source |
textfunction-calling
Price verified 2026-09-05 (0 days ago) · sourcecorroborated
Sources
| Source | Input / 1M | Output / 1M | Verified |
|---|---|---|---|
| OpenRouter | $0.35 | $0.75 | 2026-09-05 |
| LiteLLM | $0.35 | $0.75 | 2026-09-03 |
| models.dev | $0.35 | $0.75 | 2026-09-04 |
Two independent sources agree within 20%.
Latency measured
| Region | TTFT p50 | TTFT p95 | Total p50 | Total p95 | Throughput | Samples |
|---|---|---|---|---|---|---|
| eu-paris | 241.9 ms | 413.4 ms | 317.8 ms | 549.1 ms | 2,240.1 tok/s | 5 |
Time-to-first-token, measured server-side. Measured 2026-09-04 (0 days ago).
Cheaper providers for gpt-oss-120b
| Provider | Blended / 1M | Endpoint |
|---|---|---|
| AkashML | $0.2 | view → |
| CoreWeave | $0.2 | view → |
| Novita AI | $0.3 | view → |
Compare all 16 providers serving gpt-oss-120b →
Call it
OpenAI-compatible endpoint — set CEREBRAS_API_KEY.
curl https://api.cerebras.ai/v1/chat/completions \
-H "Authorization: Bearer $CEREBRAS_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "gpt-oss-120b",
"messages": [{"role": "user", "content": "Hello"}]
}'from openai import OpenAI # pip install openai
client = OpenAI(
base_url="https://api.cerebras.ai/v1",
api_key="...", # CEREBRAS_API_KEY
)
resp = client.chat.completions.create(
model="gpt-oss-120b",
messages=[{"role": "user", "content": "Hello"}],
)
print(resp.choices[0].message.content)Price unchanged since 2026-09-03 — 1 point on record.
Use this data
Raw JSON for this page: gpt-oss-120b.json. Free to reuse under CC BY 4.0 with attribution to apipriceindex.com.