gpt-oss-120b vs DeepSeek V3
2026 Stored listed rates & illustrative token-cost comparison
Illustrative Listed-Rate Difference
gpt-oss-120b about 86% lower
1M input + 200K output tokens; not a monthly bill
📌 Executive Summary (TL;DR):Under a standard baseline of 1M input + 200K output tokens, gpt-oss-120b lists approximately 86% lower than DeepSeek V3. For high-throughput production workloads, gpt-oss-120b delivers superior unit economics; model your specific monthly workload below before migrating.
💡 10M Monthly Token Workload Simulation
Simulating a production workload (10M input + 2M output tokens): gpt-oss-120b listed rate totals ~$0.71, while DeepSeek V3 totals ~$4.90. Switching to gpt-oss-120b yields ~$4.19/mo in raw token savings.
Metric
gpt-oss-120b (OpenAI)
DeepSeek V3 (DeepSeek)
Input listed rate
$0.04 / 1M Tokens
$0.27 / 1M Tokens
Output listed rate
$0.17 / 1M Tokens
$1.10 / 1M Tokens
Cached Input rate
—
$0.07 / 1M Tokens
Context Window
131K Tokens
66K Tokens
Modality
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