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danyal akarca

T2 · manager / operator

Founder of Callosum, a stealth startup building software infrastructure to orchestrate heterogeneous AI compute across specialized chips. PhD from Cambridge, previously ARIA seed creator. Raised $10M from Plural to enable multi-agent systems on mixed hardware.

38 calls·18 names·58% bull·last heard last month·Scaling Europe
track record

no scored calls yet — needs a stated position or a categorical verdict, with a matured window vs SPY

top calls

highest conviction · one per company
1sthigh conviction
$CALLOSUMCallosumposition

Callosum raises $100M seed to build heterogeneous AI compute software

Callosum is building system software to orchestrate AI workloads across diverse chip architectures, enabling economically sustainable inference by matching tasks to optimal chip-model combinations.

Scaling Europe2026-08episode →
2ndhigh conviction
$ATOMICAtomic

Atomic leads Callosum's $100M seed round

Atomic led the $100M seed investment in Callosum, signaling strong conviction in heterogeneous AI compute software.

Scaling Europe2026-08episode →
3rdhigh conviction
$CBRSCerebras

Callosum partners with Cerebras to unlock wafer-scale speed for inference

Cerebras' wafer-scale chips deliver exceptional inference speed; Callosum's software makes them easily integrable and improves token economics, creating a synergistic partnership.

Scaling Europe2026-08episode →

most discussed · click a bar to filter

  • $NVDA
  • $OPENAI
  • $GROQ
  • $ANTHROPIC
  • $CBRS

recurring themes

  • AI Infrastructure4
  • AI Economics & Business Models4
  • Open Source AI3
  • Semiconductors2
  • AI Applications2
38 total
$AMZN
···
Amazon
MEDdanyal akarca·Scaling Europe·last month·BREAKING: Callosum raised $100m Seed: Danyal Akarca, Co-founder at Callosum
AWS Trainium chips prove hyperscalers are adopting heterogeneous compute
AWS's custom Trainium chips demonstrate hyperscalers are actively deploying specialized silicon and need software to integrate them effectively.
"working super closely with partners in AWS, for example, who built their Trainium chips... they are very, very, very useful at certain things"
15:45
$DCVC
DCVC
MEDdanyal akarca·Scaling Europe·last month·BREAKING: Callosum raised $100m Seed: Danyal Akarca, Co-founder at Callosum
DCVC joins Callosum's $100M seed as US investor
DCVC participated in the seed round, adding deep-tech expertise to the investor syndicate.
"including DCVC in the US uh"
9:07
$ANTHROPIC
Anthropic
MEDdanyal akarca·Scaling Europe·last month·BREAKING: Callosum raised $100m Seed: Danyal Akarca, Co-founder at Callosum
Anthropic shares OpenAI's commoditization risk in model layer
Same commoditization thesis applies to Anthropic as to OpenAI; both may capture smaller TAM if open-source models prove good enough for most use cases.
"under those conditions, um, it made sense that OpenAI plus Anthropic, who came later, would win... it's not necessarily clear at all now that those frontier model companies would…"
28:38
$ATOMIC
Atomic
HIGHdanyal akarca·Scaling Europe·last month·BREAKING: Callosum raised $100m Seed: Danyal Akarca, Co-founder at Callosum
Atomic leads Callosum's $100M seed round
Atomic led the $100M seed investment in Callosum, signaling strong conviction in heterogeneous AI compute software.
"we've just raised a hundred million dollars uh and we're incredibly excited led by Atomic uh"
8:55
$CBRS
···
Cerebras
HIGHdanyal akarca·Scaling Europe·last month·BREAKING: Callosum raised $100m Seed: Danyal Akarca, Co-founder at Callosum
Callosum partners with Cerebras to unlock wafer-scale speed for inference
Cerebras' wafer-scale chips deliver exceptional inference speed; Callosum's software makes them easily integrable and improves token economics, creating a synergistic partnership.
"we've announced a partnership with Cerebras... Cerebras on the market have some of the fastest chips in the world right now... what we at Colossus do is enable the easy integratio…"
13:15
$PLURAL
Plural
HIGHdanyal akarca·Scaling Europe·last month·BREAKING: Callosum raised $100m Seed: Danyal Akarca, Co-founder at Callosum
Plural doubles down on Callosum in $100M seed
Plural participated in the pre-seed and followed on in the $100M seed, indicating continued conviction.
"and with Plural who are backing us again after our previous round"
9:02
$GOOGL
···
Google
MEDdanyal akarca·Scaling Europe·last month·BREAKING: Callosum raised $100m Seed: Danyal Akarca, Co-founder at Callosum
Google's TPUs lead hyperscaler custom silicon efforts
Google was early and advanced with TPU development, and hyperscalers building custom chips validates the heterogeneous compute trend.
"Google famously with their TPUs and were ahead of everyone else"
15:40
$UK-SOVEREIGN-AI
UK Sovereign AI
HIGHdanyal akarca·Scaling Europe·last month·BREAKING: Callosum raised $100m Seed: Danyal Akarca, Co-founder at Callosum
UK Sovereign AI makes first investment in Callosum
UK government's sovereign AI fund chose Callosum as its inaugural investment, validating the strategic importance of heterogeneous compute for national AI infrastructure.
"in addition to this um is uh the UK Sovereign AI uh who we were the first investment of and we're so excited about that"
9:10
$AMD
···
AMD
LOWdanyal akarca·Scaling Europe·last month·BREAKING: Callosum raised $100m Seed: Danyal Akarca, Co-founder at Callosum
AMD recognized as second major GPU player alongside Nvidia
AMD is noted as the other significant GPU vendor, though not discussed in depth.
"The other famous company is AMD, which also does GPUs amongst other types of chips"
3:54
$OPENAI
OpenAI
MEDdanyal akarca·Scaling Europe·last month·BREAKING: Callosum raised $100m Seed: Danyal Akarca, Co-founder at Callosum
Frontier model companies face commoditization risk from open-source alternatives
Under scaling laws, OpenAI and Anthropic were positioned to win, but model commoditization via open-source alternatives may shrink their addressable market unless premium intelligence diverges significantly.
"under those conditions, um, it made sense that OpenAI plus Anthropic, who came later, would win... The problem I see now that's happened is is that to many in many ways models are…"
28:38
9
AI Infrastructuretailwind
Heterogeneous compute becomes the new AI infrastructure paradigm
AI workloads are shifting from homogeneous GPU clusters to orchestrated fleets of specialized chips (photonic, thermodynamic, wafer-scale, ASICs), creating a massive software opportunity to match tasks to optimal hardware for cost and speed.
9
AI Infrastructuretailwind
Heterogeneous compute becomes essential for economically sustainable AI
As AI shifts from training to inference, workloads decompose into varied tasks requiring specialized chips; software that orchestrates model-chip matching will unlock massive cost and speed gains, making AI economically viable at scale.
9
AI Infrastructuretailwind
Heterogeneous compute is inevitable for economically sustainable AI at scale
Running AI economically requires matching diverse model types to specialized chip architectures (GPUs, LPUs, wafer-scale, photonic, thermodynamic) rather than relying on homogeneous GPU clusters; the software orchestration layer that maps tasks→models→chips becomes the critical bottleneck and value capture point.
9
AI Infrastructuretailwind
Software connective tissue for heterogeneous compute becomes critical value layer
As chip diversity increases, the orchestration layer that matches models to specialized hardware and enables co-design of algorithms and chips becomes the key value capture point. Callosum's thesis: heterogeneous scale > homogeneous scale because real-world problems are multi-step and multi-modal, requiring systems of models on mixed hardware. This 'connective tissue' breaks the hardware lottery by de-risking novel chip adoption.
8
Semiconductorstailwind
Cambrian explosion of specialized AI chip architectures underway
Inference market size now justifies massive investment in novel architectures (Groq, Cerebras, Rebellions, Tendrils, photonic, thermodynamic), fragmenting the chip landscape and reducing Nvidia's share even as total market expands.
8
Semiconductorstailwind
Cambrian explosion of specialized inference chips creates orchestration bottleneck
The inference market is now large enough to justify massive investment in novel chip architectures (Groq, Cerebras, Rebellions, Tendrils, hyperscaler ASICs), each with different memory hierarchies and compute models; the critical bottleneck shifts from chip design to software that can dynamically map workloads across this heterogeneous fleet.
8
AI Hardware & Chip Architecturetailwind
Explosion of specialized chip architectures creates integration bottleneck
Market growth justifies investment in diverse chip architectures (photonic, thermodynamic, wafer-scale, etc.), but the resulting fragmentation creates a software bottleneck that neutral orchestration layers must solve.
8
AI Agentstailwind
Multi-agent systems drive demand for heterogeneous compute orchestration
The paradigm shift from single-model reasoning to multi-agent systems (where models interact with tools, environment, and each other) creates inherently heterogeneous workloads. Different agents need different hardware (edge vs cloud, prefill vs decode, continual learning vs inference), making software orchestration essential for cost, speed, and performance.