Command A Reasoning vs Gemini 2.5 Computer Use Preview vs GPT-5 Chat
Too close to call on our weighted score (Gemini 2.5 Computer Use Preview 35, GPT-5 Chat 34, Command A Reasoning 27). The right pick depends on what you value most.
CohereCommand A Reasoning
27/100- ECI—
- Price$2.50 / $10.00
- Context256K
GoogleGemini 2.5 Computer Use Preview
35/100- ECI—
- Price$1.25 / $10.00
- Context128K
OpenAIGPT-5 Chat
34/100- ECI—
- Price$1.25 / $10.00
- Context400K
Too close to call
It is close. Our weighted score puts them within a point (Gemini 2.5 Computer Use Preview 35/100, GPT-5 Chat 34/100, Command A Reasoning 27/100), so choose by what matters most for your work: Gemini 2.5 Computer Use Preview on price and GPT-5 Chat 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 priceGemini 2.5 Computer Use Preview and GPT-5 ChatGemini 2.5 Computer Use Preview $3.44 · GPT-5 Chat $3.44 · Command A Reasoning $4.38 per 1M tokens (3:1 blend)
- Longest contextGPT-5 ChatGPT-5 Chat 400,000 · Command A Reasoning 256,000 · Gemini 2.5 Computer Use Preview 128,000 tokens
- Widest inputsGemini 2.5 Computer Use Preview and GPT-5 ChatCommand A Reasoning: Text · Gemini 2.5 Computer Use Preview: Text, Images · GPT-5 Chat: Text, Images
- Self-hostingCommand A ReasoningPublishes downloadable weights
| Measure | Weight | Command A Reasoning | Gemini 2.5 Computer Use Preview | GPT-5 Chat |
|---|---|---|---|---|
| Price | 50% | 19 | 24 | 24 |
| Inputs & features | 30% | 35 | 60 | 45 |
| Context window | 20% | 36 | 24 | 44 |
| Overall | 100% | 27/100 | 35/100 | 34/100 |
Left out because at least one model lacks the data: capability. The remaining weights were rescaled.
Every spec in one table
Highlighted cells lead their row. Dashes mean the data is not published.
| Specification | Command A ReasoningCohere | Gemini 2.5 Computer Use PreviewGoogle | GPT-5 ChatOpenAI |
|---|---|---|---|
| Capability | |||
| Capabilities Index (ECI) | — | — | — |
| ECI rank | — | — | — |
| Price per million tokens | |||
| Input | $2.50 | $1.25 (best) | $1.25 (best) |
| Output | $10.00 | $10.00 | $10.00 |
| Cached input | — | — | — |
| Blended (3:1) | $4.38 | $3.44 (best) | $3.44 (best) |
| Long-context rate | Same rate | Over 200K: $2.50 / $15.00 | Same rate |
| Price source | Official Cohere API | Official Google API | Median of 2 providers |
| Limits | |||
| Context window | 256,000 tokens | 128,000 tokens | 400,000 tokens (best) |
| Max output | 32,000 tokens | 64,000 tokens | 128,000 tokens (best) |
| Inputs and features | |||
| Text | Yes | Yes | Yes |
| Images | No | Yes | Yes |
| PDFs | No | No | No |
| Audio | No | No | No |
| Video | No | No | No |
| Reasoning | Yes | Yes | Yes |
| Tool calling | Yes | Yes | No |
| Structured output | No | No | Yes |
| Availability | |||
| Weights | Open | Proprietary | Proprietary |
| API model ID | command-a-reasoning-08-2025 | gemini-2.5-computer-use-preview-10-2025 | — |
| API providers | 3 (best) | 2 | 2 |
| Released | Aug 21, 2025 | Oct 7, 2025 | Aug 7, 2025 |
| Knowledge cutoff | Jun 1, 2024 | Jan 2025 | Sep 30, 2024 |
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 Reasoning$45.00
- Gemini 2.5 Computer Use Preview$32.50
- GPT-5 Chat$32.50
Which should you choose?
Which is better: Command A Reasoning, Gemini 2.5 Computer Use Preview or GPT-5 Chat?
It is close. Our weighted score puts them within a point (Gemini 2.5 Computer Use Preview 35/100, GPT-5 Chat 34/100, Command A Reasoning 27/100), so choose by what matters most for your work: Gemini 2.5 Computer Use Preview on price and GPT-5 Chat 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 Reasoning, Gemini 2.5 Computer Use Preview or GPT-5 Chat?
Gemini 2.5 Computer Use Preview is cheaper at $1.25 input / $10.00 output per million tokens (official Google API price). GPT-5 Chat costs $1.25 input / $10.00 output per million tokens (median across 2 API providers); Command A Reasoning costs $2.50 input / $10.00 output per million tokens (official Cohere API price). At a typical mix of three input tokens to one output token, that is $3.44 per million tokens for Gemini 2.5 Computer Use Preview versus $3.44 for GPT-5 Chat (1× as much) and $4.38 for Command A Reasoning (1.3× as much).
Which scores higher on benchmarks?
There is no independent benchmark that covers all three models yet. Command A Reasoning has not been scored yet, Gemini 2.5 Computer Use Preview has not been scored yet and GPT-5 Chat has not been scored yet.
Which is better for coding?
There are no published SWE-bench Verified results for Command A Reasoning, Gemini 2.5 Computer Use Preview and GPT-5 Chat yet, so there is no like-for-like coding score. Test both on a sample of your own tasks. Note that GPT-5 Chat does not support tool calling, which most coding agents need.
Which has the bigger context window?
GPT-5 Chat has the largest context window at 400,000 tokens, against 256,000 for Command A Reasoning and 128,000 for Gemini 2.5 Computer Use Preview. Maximum output per response: Command A Reasoning up to 32,000, Gemini 2.5 Computer Use Preview up to 64,000, GPT-5 Chat up to 128,000 tokens.
Which can read images, PDFs, audio or video?
Command A Reasoning accepts text; Gemini 2.5 Computer Use Preview accepts text and images; GPT-5 Chat accepts text and images. Gemini 2.5 Computer Use Preview handles the widest range of inputs.
Are any of these open source?
Command A Reasoning publishes its weights and can be self-hosted; Gemini 2.5 Computer Use Preview and GPT-5 Chat is proprietary.
Which is newer?
Gemini 2.5 Computer Use Preview is the newest, released Oct 7, 2025. Command A Reasoning came out Aug 21, 2025; GPT-5 Chat came out Aug 7, 2025. Knowledge cutoff: Command A Reasoning Jun 1, 2024, Gemini 2.5 Computer Use Preview Jan 2025, GPT-5 Chat Sep 30, 2024.
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.
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