token.app › Compare › GPT-5.3-Codex vs MiniMax M3.1 Flash (free)
GPT-5.3-Codex vs MiniMax M3.1 Flash (free)
MiniMax M3.1 Flash (free) is free to use, against $4.81 per million tokens. MiniMax M3.1 Flash (free) accepts the larger context window (1M).
Head to head
Blended price uses a 3:1 input:output mix
| GPT-5.3-Codex | MiniMax M3.1 Flash (free) | |
|---|---|---|
| Provider | OpenAI | MiniMax |
| Input $/1M | $1.75 | Free |
| Output $/1M | $14.00 | Free |
| Blended $/1M | $4.81 | Free |
| Context window | 400K | 1M |
| Max output | 128K | 524K |
| Released | Feb 2026 | Oct 2026 |
| Licence | Proprietary | Proprietary |
Choose GPT-5.3-Codex if…
- No clear advantage on the data we hold.
Choose MiniMax M3.1 Flash (free) if…
- Costs less per token — Free vs $4.81 blended
- Larger context window (1M)
- Newer model (released Oct 2026)
FAQ
Which is better, GPT-5.3-Codex or MiniMax M3.1 Flash (free)?
We do not hold independently-run benchmark scores covering both GPT-5.3-Codex and MiniMax M3.1 Flash (free), so we make no quality claim. Their pricing and specifications are compared on this page.
Is GPT-5.3-Codex cheaper than MiniMax M3.1 Flash (free)?
MiniMax M3.1 Flash (free) is cheaper: Free versus $4.81 per million tokens blended at 3:1 input:output. Input alone: $1.75 vs Free. Output alone: $14.00 vs Free.
What context windows do GPT-5.3-Codex and MiniMax M3.1 Flash (free) have?
GPT-5.3-Codex: 400,000 tokens. MiniMax M3.1 Flash (free): 1,000,000 tokens.
Who makes GPT-5.3-Codex and MiniMax M3.1 Flash (free)?
GPT-5.3-Codex is made by OpenAI. MiniMax M3.1 Flash (free) is made by MiniMax.