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GPT-OSS 120B API Pricing — $0.15/M input, $0.60/M output

OpenAI flagship open-weight MoE model: ultra-fast agentic workflow.

Input
$0.15/M
Output
$0.60/M
Blended
$0.26/M
Provider
Verified 2026-04-06source

Speed

Tokens / sec
780
TTFT
160 ms
Rank
#4 of 31
$ / M ÷ t/s
$0.0003
Measured with 5 runs on a fixed prompt — see the full methodology.

Cost at scale

Tokens / monthEst. cost (blended 3:1)
100,000$0.03
1,000,000$0.26
10,000,000$2.62
100,000,000$26.25

How GPT-OSS 120B compares

Llama 3.1 8B$0.06/MGPT-OSS 20B$0.13/MLlama 4 Maverick$0.30/MLlama 3.3 70B$0.64/MQwen 3.8 30B$1.20/MGPT-4o Mini$0.26/MGrok-3 Mini$0.26/MMistral Small 3.1$0.26/M
See all Groq models →

Head-to-head comparisons

GPT-OSS 120B vs DeepSeek V4 ProGPT-OSS 120B vs Llama 3.3 70BGPT-OSS 120B vs GPT-5.6 Luna

FAQ

Is GPT-OSS 120B cheaper than GPT-4o Mini?

GPT-OSS 120B costs $0.26/M blended tokens, GPT-4o Mini costs $0.26/M — GPT-4o Mini is cheaper.

How much does 1 million tokens cost with GPT-OSS 120B?

At a 3:1 input:output ratio, 1 million blended tokens costs approximately $0.26. Pure input costs $0.15/M; pure output costs $0.60/M.

Who provides GPT-OSS 120B?

GPT-OSS 120B is served by Groq. Pricing was last verified on 2026-04-06 against https://console.groq.com/docs/models.

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