Claude Opus 5.5 vs gpt-oss-safeguard-20b

Price, context window & benchmark comparison

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Claude Opus 5.5

Anthropic
$4.00 / $20.00
Input / Output · per 1M tokens
VS
O

gpt-oss-safeguard-20b

OpenAI
$0.075 / $0.30
Input / Output · per 1M tokens
Compare different models
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Verdict: gpt-oss-safeguard-20b is 61.0× cheaper than Claude Opus 5.5 on a typical 3:1 input/output mix. Claude Opus 5.5 has the larger context window (1M vs 131K).
Claude Opus 5.5gpt-oss-safeguard-20b
Input price / 1M$4.00$0.075
Output price / 1M$20.00$0.30
Blended price (3:1)$8.00$0.13
Cached input / 1M$0.20$0.0375
Context window1M131K
Max output128K66K
Intelligence index57.6
Coding index
Providers11
Best provider uptime (30m)100.0%
Vision inputYesNo
ReasoningYesYes
Tool callingYesYes
Released2026-09-222025-10-29
Retirement

Cost calculator

FAQ

Which is cheaper, Claude Opus 5.5 or gpt-oss-safeguard-20b?

gpt-oss-safeguard-20b is 61.0× cheaper than Claude Opus 5.5 on a typical 3:1 input/output mix.

Claude Opus 5.5 vs gpt-oss-safeguard-20b: which has a bigger context window?

Claude Opus 5.5: 1,000,000 tokens. gpt-oss-safeguard-20b: 131,072 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Claude Opus 5.5 ≈ $18,000, gpt-oss-safeguard-20b ≈ $300.00.

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