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Balanced — strong quality at a mid priceCommercial API
gpt-oss-120b Pricing
OpenAI · openai-gpt-oss-120b
Input / 1M tokens
$0.037
Output / 1M tokens
$0.170
Context window
131,072 tokens
≈ 175 pages of text
Max output
131,072 tokens
What it costs in practice
Typical request (1,200 in + 400 out tokens)$0.0001
1,000 requests / month$0.1124/mo10,000 requests / month$1.12/mo100,000 requests / month$11.24/moEstimate your own workloadOpens the calculator with gpt-oss-120b preloaded — adjust volume and token counts there.
Price history
List price per 1M tokens since we started tracking in Jun 2026. Each step marks a price change — hover a point for the exact date and rate.
What it excels at
Efficient for high-volume text workloads with 128k context at low per-token cost.
The business tradeoff
Unknown maximum output length and limited public benchmarks reduce predictability for complex reasoning tasks.
Cheaper from OpenAI
Head-to-head
Vendor list rates, as of Jul 15, 2026 · source: openrouter · per-request examples assume 1,200 input + 400 output tokens.