model comparison

vs

Beam vs DeepSeek V4 Pro

Reflection against DeepSeek, compared on listed price, real workload cost, context and capabilities.

the short answer

  • on Terminal Bench 2.1, as each maker reports it, Beam scores 80.1% and DeepSeek V4 Pro 87.9.
  • Beam lists lower input and output prices.
  • Beam reads cached input for less ($0.015/M against DeepSeek V4 Pro's $0.044/M), which decides the bill for agents that resend long context.

side-by-side specs

specBeamDeepSeek V4 Pro
providerReflectionDeepSeek
input price$0.125/M$1.32/M
output price$0.4/M$3.96/M
cached input$0.015/M$0.044/M
blended price (3:1)$0.194/M$1.98/M
context window1M tokens1M tokens
max output128k tokens384k tokens
inputtexttext
structured outputyesyes
weightsopen (Apache 2.0)open (MIT)
releasedOctober 2026April 24, 2026
Terminal Bench 2.1 (maker-reported)80.1%87.9
HLE with Tools (maker-reported)51.1%60.0

same work, both models

workloadBeamDeepSeek V4 Pro
one chat reply3,000 tokens in, 500 outDeepSeek V4 Pro costs 10× as much as Beam$0.00058$0.0059
summarise a 100-page report50,000 tokens in, 1,500 out, one requestDeepSeek V4 Pro costs 11× as much as Beam$0.0069$0.07
1,000 classification calls500 tokens in, 20 out, per callDeepSeek V4 Pro costs 10× as much as Beam$0.07$0.74
coding-agent session2M tokens in across ~60 turns, 60,000 out, no cacheDeepSeek V4 Pro costs 11× as much as Beam$0.27$2.88
same session, cached85% of input read from the prompt cache, the rest written to itDeepSeek V4 Pro costs 8.1× as much as Beam$0.09$0.71

at listed rates. token counts are typical sizes, not measurements.

DeepSeek V4 Pro pricing notes

  • since 2026-08-16 16:00 UTC DeepSeek's own api bills peak and off-peak; the listed price is the peak rate, and off-peak is half ($0.66 / $1.98).
  • on DeepSeek's api, peak is 01:00-04:00 and 06:00-10:00 UTC Monday-Friday, excluding Chinese public holidays.

when to pick which

Beam

the first open-weights model from Reflection, a 501B-total, 23B-active mixture-of-experts built for agentic tool use, coding and general reasoning. it reads text only and its weights ship under Apache 2.0.

pick it if

  • you want a long-window text model priced with the flash tier
  • you want Apache 2.0 weights, with BF16, FP8 and NVFP4 builds to self-host
  • you run tool-calling agents on text and repeat long prompts, so cached input matters

skip it if

  • you need image, audio or video input; Beam reads text only
  • long autonomous coding is the job; its reported DeepSWE v1.1 score sits below GLM-5.3 Flash and DeepSeek V4.1 Flash

DeepSeek V4 Pro

DeepSeek's larger V4 model: 1.6T total parameters (49B active), text-only, with a 1M-token context and selectable thinking effort. previewed in April 2026 and generally available from 2026-08-13, it sits above V4.1 Flash, which costs less and also reads images.

pick it if

  • want DeepSeek's largest V4 model with MIT-licensed open weights
  • resend long prompts: cache hits bill $0.044 per 1M versus $1.32
  • need low / high / max thinking effort for agent workflows

skip it if

  • you need image input; V4.1 Flash accepts images
  • V4.1 Flash at $0.30 / $1.20 already covers your workload

faq

which is better, Beam or DeepSeek V4 Pro?

on Terminal Bench 2.1, as each maker reports it, Beam scores 80.1% and DeepSeek V4 Pro 87.9. these are each maker's own numbers, not a controlled head-to-head; the spec table lists every benchmark both publish.

which is cheaper, Beam or DeepSeek V4 Pro?

Beam lists lower input and output prices. on a coding-agent session (2M tokens in, 60,000 out) Beam costs $0.27 and DeepSeek V4 Pro $2.88.

can i switch between Beam and DeepSeek V4 Pro mid-task?

yes. in an octomind session, /model octohub:beam and /model octohub:deepseek-v4-pro switch models without losing the conversation, so you can draft on one and review on the other.

try either model

switch between models inside the same octomind session.

prices from the catalog of 2026-11-09