ZMIME
Comparison · 2 models · Updated Oct 4, 2026

Command A Plus vs Claude Mythos 5

Too close to call on our weighted score (Claude Mythos 5 36, Command A Plus 35). The right pick depends on what you value most.

  1. Cohere

    Command A Plus

    Released May 20, 2026

    35/100
    • ECI—
    • Price$2.50 / $10.00
    • Context128K
  2. Anthropic

    Claude Mythos 5

    Released Jun 9, 2026

    36/100
    • ECI—
    • Price$10.00 / $50.00
    • Context1M
  3. Add a model

    Make it a three-way comparison.

01 — Verdict

Too close to call

It is close. Our weighted score puts them within a point (Claude Mythos 5 36/100, Command A Plus 35/100), so choose by what matters most for your work: Command A Plus on price and Claude Mythos 5 for long inputs. The score weighs price 50%, inputs & features 30%, context window 20%. None of the shared benchmarks cover every model here yet, so capability is left out of this verdict.

  • CapabilityNot enough dataNo independent benchmark covers every model here yet
  • Lowest priceCommand A PlusCommand A Plus $4.38 · Claude Mythos 5 $20.00 per 1M tokens (3:1 blend)
  • Longest contextClaude Mythos 5Claude Mythos 5 1,000,000 · Command A Plus 128,000 tokens
  • Widest inputsClaude Mythos 5Command A Plus: Text, Images · Claude Mythos 5: Text, Images, PDFs
  • Self-hostingCommand A PlusPublishes downloadable weights
How the score is built
MeasureWeightCommand A PlusClaude Mythos 5
Price50%190
Inputs & features30%7080
Context window20%2460
Overall100%35/10036/100

Left out because at least one model lacks the data: capability. The remaining weights were rescaled.

02 — Side by side

Every spec in one table

Highlighted cells lead their row. Dashes mean the data is not published.

Command A Plus vs Claude Mythos 5 specifications side by side
SpecificationCommand A PlusCohereClaude Mythos 5Anthropic
Capability
Capabilities Index (ECI)——
ECI rank——
Price per million tokens
Input$2.50 (best)$10.00
Output$10.00 (best)$50.00
Cached input——
Blended (3:1)$4.38 (best)$20.00
Long-context rateSame rateSame rate
Price sourceOfficial Cohere APIMedian of 2 providers
Limits
Context window128,000 tokens1,000,000 tokens (best)
Max output64,000 tokens128,000 tokens (best)
Inputs and features
TextYesYes
ImagesYesYes
PDFsNoYes
AudioNoNo
VideoNoNo
ReasoningYesYes
Tool callingYesYes
Structured outputYesYes
Availability
WeightsOpenProprietary
API model IDcommand-a-plus-05-2026—
API providers12 (best)
ReleasedMay 20, 2026Jun 9, 2026
Knowledge cutoffApr 1, 2025Jan 31, 2026
03 — Cost

What would a month cost?

Enter your expected volume in millions of tokens. List prices only; caching and batch discounts would lower these.

  • Command A Plus$45.00
  • Claude Mythos 5$200.00
04 — Questions

Which should you choose?

Which is better: Command A Plus or Claude Mythos 5?

It is close. Our weighted score puts them within a point (Claude Mythos 5 36/100, Command A Plus 35/100), so choose by what matters most for your work: Command A Plus on price and Claude Mythos 5 for long inputs. The score weighs price 50%, inputs & features 30%, context window 20%. None of the shared benchmarks cover every model here yet, so capability is left out of this verdict.

Which is cheaper, Command A Plus or Claude Mythos 5?

Command A Plus is cheaper at $2.50 input / $10.00 output per million tokens (official Cohere API price). Claude Mythos 5 costs $10.00 input / $50.00 output per million tokens (median across 2 API providers). At a typical mix of three input tokens to one output token, that is $4.38 per million tokens for Command A Plus versus $20.00 for Claude Mythos 5 (4.6× as much).

Which scores higher on benchmarks?

There is no independent benchmark that covers both models yet. Command A Plus has not been scored yet and Claude Mythos 5 has not been scored yet.

Which is better for coding?

There are no published SWE-bench Verified results for Command A Plus and Claude Mythos 5 yet, so there is no like-for-like coding score. Test both on a sample of your own tasks. Both support tool calling for agent workflows.

Which has the bigger context window?

Claude Mythos 5 has the largest context window at 1,000,000 tokens, against 128,000 for Command A Plus. Maximum output per response: Command A Plus up to 64,000, Claude Mythos 5 up to 128,000 tokens.

Which can read images, PDFs, audio or video?

Command A Plus accepts text and images; Claude Mythos 5 accepts text, images and PDFs. Claude Mythos 5 handles the widest range of inputs.

Are any of these open source?

Command A Plus publishes its weights and can be self-hosted; Claude Mythos 5 is proprietary.

Which is newer?

Claude Mythos 5 is the newest, released Jun 9, 2026. Command A Plus came out May 20, 2026. Knowledge cutoff: Command A Plus Apr 1, 2025, Claude Mythos 5 Jan 31, 2026.

How do you decide the winner?

Each model gets a 0–100 score on capability (50%, independent benchmark results); price (25%, blended price per million tokens (3 input : 1 output), log scale); inputs & features (15%, image, PDF, audio and video input, tool calling, structured output and reasoning); context window (10%, maximum tokens per request, log scale). Dimensions missing for any model are dropped and the remaining weights rescaled, so every model is judged on the same evidence. Specs and prices come from public model listings and the labs’ own API pages; capability scores come from independent benchmark runs. Data updated Oct 4, 2026.