THE TICKER · HEAD-TO-HEAD · CHECKED DAILY · LAST CHANGE 2026-10-13
GLM 5.3 FLASH VS MUSE SPARK 1.3
Z.ai vs Meta, in USD per million tokens, cross-checked daily against the public pricing dataset. Same jobs, both meters running.
Muse Spark 1.3 costs 8.5x more than GLM 5.3 Flash for the same job — a 1,000-token prompt with a 3,000-token reply runs $0.01 vs $0.0016. At 1,000 runs a day, that gap is $370.50 a month for identical traffic.
SIDE BY SIDE
| GLM 5.3 Flash → | Muse Spark 1.3 → | |
|---|---|---|
| Vendor | Z.ai | Meta |
| Input / MTok | $0.150 | $1.25 |
| Output / MTok | $0.500 | $4.25 |
| Output multiple | 3.3x | 3.4x |
| 1K prompt + 3K reply | $0.0016 | $0.01 |
SAME JOB, BOTH BILLS
| Scenario | GLM 5.3 Flash | Muse Spark 1.3 | Gap |
|---|---|---|---|
| A typical prompt | $0.0005 | $0.0042 | 8.5x |
| A 20-turn conversation | $0.0026 | $0.02 | 8.5x |
| Summarizing a 10-page document | $0.0028 | $0.02 | 8.4x |
| One agent run | $0.0063 | $0.05 | 8.5x |
| A code review request | $0.0021 | $0.02 | 8.5x |
Output sizes use the same editorial ratios as the Burn Calculator. Estimates, not invoices — and price is not a benchmark: the cheaper model is only a bargain if it does the job.
SETTLE IT WITH YOUR OWN PROMPT
Paste a real prompt into the Burn Calculator and see what it costs on GLM 5.3 Flash, Muse Spark 1.3 and the other 34 models on the board — plus how much of it is waste either way.