gpt-oss-20b vs GPT-4o
2026 Stored listed rates & illustrative token-cost comparison
Illustrative Listed-Rate Difference
gpt-oss-20b about 99% 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-20b lists approximately 99% lower than GPT-4o. For high-throughput production workloads, gpt-oss-20b 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-20b listed rate totals ~$0.36, while GPT-4o totals ~$45.00. Switching to gpt-oss-20b yields ~$44.64/mo in raw token savings.
Metric
gpt-oss-20b (OpenAI)
GPT-4o (OpenAI)
Input listed rate
$0.02 / 1M Tokens
$2.50 / 1M Tokens
Output listed rate
$0.09 / 1M Tokens
$10.00 / 1M Tokens
Cached Input rate
$0.0090 / 1M Tokens
$1.25 / 1M Tokens
Context Window
131K Tokens
128K Tokens
Modality
llm
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🏆Related AI Scenario Leaderboards
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