Introducing ASpec
vs

Morph vs Wafer

Two routes to faster coding agents. Wafer tunes the serving stack for big open models; Morph adds a small specialist model for the apply step.

By The Subconscious Team · Updated

Morph vs Wafer: key differences

Wafer and Morph both chase speed for coding agents, at different layers. Wafer serves big open models like GLM-5.3 and DeepSeek V4.1 Flash on stacks its own agents tune, and reports 2x to 2.8x speedups over stock vLLM or SGLang. Its serverless API bills per token and drops into Claude Code, Cline and OpenHands. Morph does not serve a main model at all. It merges that model's edits into files at 10,500+ tokens per second, and offers WarpGrep for search and Compact for context compression.

They stack cleanly. A team could run the main model on Wafer for faster reasoning and use Morph for apply, so the main model writes only changed lines, which Morph says cuts tokens about 40% against full rewrites. Both companies' numbers are self-reported, and Wafer's speedups are measured against stock baselines, not tuned hosts. Wafer is also very young with a small catalog. Morph's merge error rate of 2 to 4% means edits still need tests or linting.

What Morph and Wafer do

Morph

Morph builds small, very fast specialist models that sit beside a big coding model inside an agent. Its flagship is Fast Apply. The frontier model writes only the changed lines with // ... existing code ... markers, and Morph merges them into the full file at 10,500+ tokens per second with up to 98% accuracy. It is the same idea behind Cursor's instant apply, offered as an OpenAI compatible API.

Example models: morph-v3-fast, morph-v3-large

Full Morph profile

Wafer

Wafer builds AI agents that act as GPU performance engineers, then sells inference on the stacks those agents tune. The company came out of Y Combinator's Summer 2025 batch as a "Cursor for CUDA" that turned slow PyTorch into custom kernels. Founders Emilio Andere and Steven Arellano are based in San Francisco. Wafer raised a $4M seed led by Fifty Years in April 2026 and a $40M Series A co-led by Marathon and Chemistry in September 2026 at a $220M post-money valuation, with AMD Ventures and Wing joining. Its agents profile a workload, generate candidate configs across batching, decoding, quantization, engines, kernels and hardware, measure each one and deploy the winner.

Example models: GLM-5.3, DeepSeek V4.1 Flash

Full Wafer profile

Should you choose Morph or Wafer?

Morph

Choose Morph for

  • Speeding up the file-edit step specifically
  • Cutting output tokens from any main model
  • Repository search and context compression

Wafer

Choose Wafer for

  • Faster big open models as the main agent model
  • Per-token access inside Claude Code or Cline
  • Dedicated endpoints tuned to a latency SLO

Morph vs Wafer at a glance

AttributeMorphWafer
Model accessSpecialist modelsOpen weights
Flagship modelsmorph-v3-fast, morph-v3-largeGLM-5.3, DeepSeek V4.1 Flash
Speed10,500+ tok/s Fast Apply~168 tok/s on GLM-5.3; 2–2.8x vs stock vLLM or SGLang (vendor)
Price$0.80 in, $1.20 out (morph-v3-fast)Per token, prepaid credits
CustomizationFine-tuning offeredAgent-tuned dedicated deployments
DeploymentOpenAI compatible API; self-hosted on EnterpriseServerless, dedicated
Long contextUnknownUp to 1M (GLM-5.3, DeepSeek V4.1 Flash)

Frequently asked questions

What is the difference between Morph and Wafer?

Two routes to faster coding agents. Wafer tunes the serving stack for big open models; Morph adds a small specialist model for the apply step.

When should I choose Morph over Wafer?

Speeding up the file-edit step specifically; Cutting output tokens from any main model; Repository search and context compression.

When should I choose Wafer over Morph?

Faster big open models as the main agent model; Per-token access inside Claude Code or Cline; Dedicated endpoints tuned to a latency SLO.

Is Morph or Wafer cheaper?

Morph: $0.80 in, $1.20 out (morph-v3-fast). Wafer: Per token, prepaid credits. The cheaper choice depends on the model and workload.

Related comparisons

Running long-horizon agents?

If your agents run past 200K tokens, compare both against Subconscious. Our inference stack treats a long-horizon trace as the primary workload, so speed, cost, and accuracy hold up deep into the trace.