token.app › Compare › GPT-5.3-Codex vs Glimpse
GPT-5.3-Codex vs Glimpse
Glimpse is 4.0× cheaper per token on a blended 3:1 basis. GPT-5.3-Codex accepts the larger context window (400K).
Head to head
Blended price uses a 3:1 input:output mix
| GPT-5.3-Codex | Glimpse | |
|---|---|---|
| Provider | OpenAI | Elorian |
| Input $/1M | $1.75 | $0.600 |
| Output $/1M | $14.00 | $3.00 |
| Blended $/1M | $4.81 | $1.20 |
| Context window | 400K | 262K |
| Max output | 128K | 256K |
| Released | Feb 2026 | Oct 2026 |
| Licence | Proprietary | Proprietary |
Choose GPT-5.3-Codex if…
- Larger context window (400K)
Choose Glimpse if…
- Costs less per token — $1.20 vs $4.81 blended
- Newer model (released Oct 2026)
FAQ
Which is better, GPT-5.3-Codex or Glimpse?
We do not hold independently-run benchmark scores covering both GPT-5.3-Codex and Glimpse, so we make no quality claim. Their pricing and specifications are compared on this page.
Is GPT-5.3-Codex cheaper than Glimpse?
Glimpse is cheaper: $1.20 versus $4.81 per million tokens blended at 3:1 input:output. Input alone: $1.75 vs $0.600. Output alone: $14.00 vs $3.00.
What context windows do GPT-5.3-Codex and Glimpse have?
GPT-5.3-Codex: 400,000 tokens. Glimpse: 262,144 tokens.
Who makes GPT-5.3-Codex and Glimpse?
GPT-5.3-Codex is made by OpenAI. Glimpse is made by Elorian.