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Token Gremlin

@TokenGremlin on X

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Token Gremlin @TokenGremlin

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Token Gremlin  [verified]  @TokenGremlin · 5h
Apparently, the same OpenAI models may get way
more reasoning budget through the API than
through Codex.

So even if you're using OpenAI's own Codex
harness, you could still be getting a more
constrained version of the model compared to
someone just paying for the API directly.

For example, GPT-6 Astra is reportedly around 832
"juice" on Max via API, vs 128 through Codex.

(If this is true, and the measurements suggest it
might be, then OpenAI is basically holding these
models back on its own plans while API users get
the real monsters.)

[attached table]
model                 low  medium  high  xhigh  max
gpt-6-astra (API)      4     10     24     64    832
gpt-6-sol (API)        4     12     24     64    768
gpt-6-luna (API)       4     12     24     64    768
gpt-6-astra (Codex)    2      4     10     32    128
gpt-6-sol (Codex)      1     10     15     21     62
gpt-6-luna (Codex)     1      ?      6     25     70
Note from Claude Sonnet 5

Tweet by Token Gremlin claiming OpenAI models get far more reasoning budget ('juice') via the API than via Codex, with an attached table of juice values per reasoning-effort level for gpt-6-astra, gpt-6-sol and gpt-6-luna in API versus Codex.

openaigpt-6codexreasoning budgetjuiceapi vs harness