GLM 5.3 FlashX
GLMReleased Sep 18, 2026Open weights · MITglm-5.3-flashx
- Reasoning
- yes, with effort levels
- Knowledge cutoff
- January 2026
- Context
- 1M tokens
- Max output
- 128k tokens
- Input
- text, image
- API features
- tools, JSON mode
Read Oct 23, 06:00 UTC from the hosts' published offers and OpenRouter, spec sheet from GLM · cutoff: aiknowledgecutoff.com
Open weights under MIT: you can run GLM 5.3 FlashX on your own hardware instead of paying per token.
Memory ≈ parameters × bytes per parameter × 1.2 · cloud price: on-demand rate, running 24/7 · builds: GGUF, AWQ, MLX, GPTQ, Ollama · break-even calculator
| Provider | Input | Output | Cache ↑ | tok/s | First token | Uptime 24h | Checked |
|---|---|---|---|---|---|---|---|
| Z.AIfp8 · 1M ctx · 128K out | $0.37 | $1.25 | $0.09 | 75 | 2.01 s | 100% | Oct 23 |
1 provider · prices per million tokens, read Oct 23, 06:00 UTC · speed: OpenRouter, median of the last 30 min, read Oct 23, 06:00 UTC · uptime: OpenRouter, last 24 h · under each host: weights precision, context and max output as served, the maker's value in brackets when the host's differs
| Provider | Weights | Context | Max output | Tools | Structured outputs | Reasoning |
|---|---|---|---|---|---|---|
| Z.AI | fp8 | 1M | 128K | yes | no | yes |
Weights, context and max output: read at each host's own catalogue or docs where its terms allow, otherwise as the host declares to OpenRouter; hover a cell for its source and date · tools, structured outputs, reasoning: as declared to OpenRouter · not verified by us
GLM 5.3 FlashX spec sheet, field by field, with sources
GLM 5.3 FlashX spec sheetmaker-declared
What the maker declares about the model itself — read from its own weights repository and documentation, not from any host. What each endpoint actually serves is in the pricing above: the two can differ, and both are true.
- Context window
- to verify
- Parameters
- to verify
- Active experts
- to verify
- Weight precision
- to verify
- License
- MIT — open weights, permissiveScope: the licence on the published weights, and nothing else. It is not the maker's acceptable-use policy, which is a separate document, and it is not the contract you sign with whichever host you call — hosts set their own terms, which this index does not read.
- Knowledge cutoff
- not published by the maker≈ January 2026 third-party estimate — not the maker's figurecurated
- Modalities
- to verify
- Max output (official)
- to verify
- Release date
- to verify≈ September 18, 2026 third-party catalogue — not the maker's figure
- Maker lifecycle status
- to verify
huggingface.co · maker's documentation · read 2026-09-07 · 1 of 10 fields published by the maker
| Provider | Chatbot 1,000 in / 500 out | RAG / long context 8,000 in / 500 out | Batch summarize 4,000 in / 1,000 out |
|---|---|---|---|
| Z.AI | $0.99 | $3.58 | $2.73 |
What each host bills for 1,000 requests of a representative job