ModelPriceWatch.com
Last scan 2026-08-28 Models tracked 237 Providers 31 Cheapest paid Granite 4.0 H Micro $0.017/Mtok in Every price links to its source

GPT-OSS 120B

by Fireworks · 120B parameters

Current budget open weights cheap tier
Email me when GPT-OSS 120B gets cheaper

Today's price · per 1M tokens

Input

$0.150

per 1M tokens

Output

$0.600

per 1M tokens

Blended

$0.262

blended $/1M — 3:1 weighted input:output

Cached input

$0.015

10% of input — prompt caching

Source: official Fireworks pricing · read Jun 25, 2026 MODELPRICEWATCH.COM · 2026-08-28

Price receipt

We read Fireworks's own pricing page on Aug 9, 2026 and found GPT OSS 120B listed with a price on the same row — that read is where the number above comes from. We keep the page text we read; its content hash is 4f5353269c.

Available on 3 hosts

cheapest blended first · $ per 1M tokens

GPT-OSS 120B is sold by 3 providers. Prices are per 1M tokens (blended = (3×input + 1×output) ÷ 4). “vs cheapest” compares each host to the lowest blended price.

GPT-OSS 120B price on every host still selling it, per 1M tokens, cheapest blended first
Host Input Output Blended vs cheapest
Fireworks cheapest $0.150 $0.600 $0.262 —
Groq details → $0.150 $0.600 $0.262 0%
Together details → $0.150 $0.600 $0.262 0%
Each host links to its provider page and official pricing. Prices refresh twice daily. MODELPRICEWATCH.COM · 2026-08-28

Overview

OpenAI's GPT-OSS 120B on Fireworks. $0.15/$0.60 per 1M; cached $0.015.

Run it yourself

Deploy this open model on rented GPUs

Open weights mean you can self-host instead of paying per-token API prices. These platforms let you serve it on demand — often cheaper at scale.

RunPod →
Rent GPUs by the second and serve any open-weight model yourself.
Novita AI →
Serverless open-model inference billed per token — no GPU ops.
Vast.ai →
GPU marketplace — rent spot/on-demand GPUs cheaply and serve any open-weight model.

Partner links — we may earn a commission if you sign up, at no cost to you. We only list platforms we'd recommend regardless.

Capabilities

struck through = not supported
Input 1/5
Text ✓ Image Audio Video PDF
Output 1/5
Text ✓ Image Audio Video Embedding
Features 3/9
Prompt caching ✓ Reasoning Coding Fast inference Long context ✓ Open weights ✓ Multimodal Web search Realtime

Benchmark performance

accuracy % · higher is better
Avg benchmark score65.5%
Perf per $/Mtok249.5
GPQA Diamond
80.1%
LiveCodeBench
69%
Humanity's Last Exam
14.9%
AIME 2025
97.9%
Independent composite scores
  • AA Intelligence Index: 24.1 (Artificial Analysis composite across reasoning, knowledge and coding evals)
  • AA Agentic Index: 13.4 (Tool use, planning, autonomy)
  • AA-Omniscience Index: -49.2 (−100–100)
  • LMSYS Chatbot Arena: 1352.5 ELO (Human preference)
How it stacks up
  • Ranks #40 of 73 benchmarked models by average score
  • Ranks #107 of 170 comparably-measured models by percentile score, across 8 independent measurements
  • Ranks #18 of 170 comparably-tested models by normalized performance per dollar
  • Strongest at AIME 2025 — 97.9%, #5 of 37

1828.8 tokens/sec output 0.27s latency to first token (TTFT)

Source: Vellum LLM Leaderboard · updated Aug 28, 2026 · See full rankings →

Specifications

Provider
Fireworks
Context window
128K tokens
Modality
text
Parameters
120B
Open source
Yes — open weights available
Released
Jan 1, 2026
Status
Current
Last updated
Jun 25, 2026
Tags
open-weightsbudgetcaching

Availability verified: Aug 9, 2026 — listed on Fireworks's own page

Try on Fireworks Official pricing page