GLM-4.7-FlashX vs Step 3.5 Flash 2603
Prices checked
Step 3.5 Flash 2603 takes 3 of 5 rounds against GLM-4.7-FlashX. It is also the cheaper of the two to run, at $0.14 per million tokens against $0.14.
Z.aiGLM-4.7-FlashX
200k context · tool calling · open weights
$0.14/M tokensCheapest price, at Vercel AI Gateway · 6¢ per 1,000 pages
StepFunWins 3 roundsStep 3.5 Flash 2603
256k context · tool calling · open weights
$0.14/M tokensCheapest price, at CommandCode · 7.2¢ per 1,000 pages
Maker's price in (lower wins)
$0.07/M
$0.10/M
Maker's price out (lower wins)
$0.40/M
$0.31/M
Cheapest price (lower wins)
$0.14/M at Vercel AI Gateway
$0.14/M at CommandCode
Maker's price, blended (lower wins)
$0.15/M
$0.16/M
Cost per 1,000 pages (lower wins)
6¢
7.2¢
Context
200k tokens
256k tokens
Open weights
yes
yes
Tool calling
yes
yes
Structured output
not published
yes
Reads images
no
no
Reasoning
yes
yes
Released
19 Jan 2026
2 Apr 2026
Providers selling it
10
16
Price we measure against
the maker's own
the maker's own
Trains on your prompts (no is better)
not published
not published
Providers selling both · 3
Empirio Labs$0.15 / $0.15
LLMTR$0.15 / $0.15
ZenMux$0.16 / $0.15
GLM-4.7-FlashX, then Step 3.5 Flash 2603, per million tokens.
Go further
Add a third or fourth model, or change the weighting, in the tool.
What moved this week
- $0.10 / $0.31 $0.10 / $0.30
- StepFun · 5% dearer · $0.10 / $0.31 $0.10 / $0.30
Frequently asked
- Which is cheaper, GLM-4.7-FlashX or Step 3.5 Flash 2603?
- Step 3.5 Flash 2603, at $0.14 per million tokens against $0.14 for GLM-4.7-FlashX, blended 3 in : 1 out, read on 31 Oct 2026.
- Where is each one cheapest?
- GLM-4.7-FlashX: $0.14 at Vercel AI Gateway. Step 3.5 Flash 2603: $0.14 at CommandCode.
- Can I buy both from one provider?
- Yes. 3 providers sell both: Empirio Labs, LLMTR, ZenMux. The cheapest of them for the two together is Empirio Labs.
- Which holds more context?
- Step 3.5 Flash 2603, at 256k tokens against 200k.
Prices exclude tax, read 31 Oct 2026 from each provider's own catalog. They are per M tokens, blended 3 in : 1 out, and a page is 600 tokens in and 60 out. Bars are scaled to the larger value in each row.