GPT-5.4 vs Gemini 3.1 Pro
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| Comparison | GPT-5.4gpt-5.4 | Gemini 3.1 Progemini-3.1-pro-preview |
|---|---|---|
| Type | Chat | Chat |
| Best for | Chat, writing, coding and reasoning tasks | Complex reasoning, multi-step analysis and difficult coding |
| TokenRex price | $2.50 in / $15.00 out per 1M tokens | $2.00 in / $12.00 out per 1M tokens |
| Cached input / 1M tokens | $0.25 per 1M tokens | $0.20 per 1M tokens |
| Cache write / 1M tokens | No extra fee | No extra fee |
| Cached output | Not offered · standard output rate applies | Not offered · standard output rate applies |
| Market price | $2.50 in / $15.00 out per 1M tokens | $2.00 in / $12.00 out per 1M tokens |
| Context window (provider) | 1,050,000 tokens | Not applicable |
| Input token limit (provider) | Within the context window | 1,048,576 tokens |
| Maximum output | 128,000 tokens | 65,536 tokens |
| Knowledge cutoff | Aug 31, 2025 | — |
| Vendor input modalities | Not verified | Text, Image, Audio, Video |
| Vendor output modalities | Not verified | Text |
| TokenRex endpoints | POST /v1/chat/completions | POST /v1/chat/completions |
| TokenRex input | Text, Image/PDF content through the chat bridge | — |
| TokenRex output | Text | — |
| Benchmarks | ||
| Benchmark evidence | 5 source-linked results | 5 source-linked results |
| SWE-Bench Pro (Public) | 57.7% Published reasoning effort: xhigh. SWE-Bench Pro (Public) | 57.7% | 54.4% | 52.4% | 45.7% | Published model-family result, not a test of TokenRex or its default effort. OpenAI - Introducing GPT-5.4 mini and nano | — |
| Terminal-Bench 2.0 | 75.1% Published reasoning effort: xhigh. Terminal-Bench 2.0 | 75.1% | 60.0% | 46.3% | 38.2% | Published model-family result, not a test of TokenRex or its default effort. OpenAI - Introducing GPT-5.4 mini and nano | — |
| Toolathlon | 54.6% Published reasoning effort: xhigh. Toolathlon | 54.6% | 42.9% | 35.5% | 26.9% | Published model-family result, not a test of TokenRex or its default effort. OpenAI - Introducing GPT-5.4 mini and nano | — |
| GPQA Diamond | 93% Published reasoning effort: xhigh. GPQA Diamond | 93.0% | 88.0% | 82.8% | 81.6% | Published model-family result, not a test of TokenRex or its default effort. OpenAI - Introducing GPT-5.4 mini and nano | 94.3% Self-computed by Google per official Gemini 3.1 Pro model-evaluation methodology PDF (pass@1, single-attempt, gemini-3.1-pro-preview default settings, Feb 2026). Published source text: 94.3% on GPQA Diamond NxCode – Gemini 3.1 Pro Complete Guide 2026 (citing Google launch benchmarks) |
| OSWorld-Verified | 75% Published reasoning effort: xhigh. OSWorld-Verified | 75.0% | 72.1% | 39.0% | 42.0% | Published model-family result, not a test of TokenRex or its default effort. OpenAI - Introducing GPT-5.4 mini and nano | — |
| ARC-AGI-2 | — | 77.1% ARC Prize Verified, semi-private set, self-computed by Google per official gemini_3-1_pro_model_evaluation.pdf methodology (pass@1, single attempt, default gemini-3.1-pro-preview sampling). Published source text: On ARC-AGI-2 ... 3.1 Pro achieved a verified score of 77.1%. This is more than double the reasoning performance of 3 Pro. Google Blog – Gemini 3.1 Pro: A smarter model for your most complex tasks |
| SWE-bench Verified | — | 80.6% Self-computed per official methodology PDF: single-attempt scaffolding, averaged over 10x runs, gemini-3.1-pro-preview, Feb 2026. Published source text: 80.6% on SWE-Bench Verified NxCode – Gemini 3.1 Pro Complete Guide 2026 (citing Google launch benchmarks) |
| LiveCodeBench Pro Elo | — | 2887elo Public leaderboard Elo score as reported in Google's official Gemini 3.1 Pro model-evaluation PDF (Feb 2026). Published source text: LiveCodeBench Pro | 2887 Elo | Coding evaluation S5 Labs – Gemini 3.1 Pro Leads 12 of 18 Benchmarks |
| BrowseComp | — | 85.9% Deep Research configuration (search, python, browsing access) per official Gemini 3.1 Pro evaluation methodology, Feb 2026. Published source text: BrowseComp | 85.9% | Web browsing comprehension S5 Labs – Gemini 3.1 Pro Leads 12 of 18 Benchmarks |
No overall score, winner or cost-versus-score frontier is calculated without comparable, attributable benchmark evidence. Different test configurations appear separately. Vendor capabilities are distinct from TokenRex API support.
— means no published value or no matching capability. Provider token limits are not tested gateway guarantees; TokenRex media controls and response formats are listed separately.
GPT-5.4
Sources and verification
Provider specifications describe the upstream model, not a guarantee of every feature through TokenRex. Prices come from the enabled catalog; benchmark results belong to the exact tested model.
- Provider model specifications
Vendor-reported
Last checked - OpenAI - Introducing GPT-5.4 mini and nano
Vendor-reported
Last checked
Research notes (1)
- Published provider limits; maximum-capacity requests have not been independently exercised through TokenRex. Thinking-level variants use the same provider model; reasoning and answer tokens share the output budget.
Gemini 3.1 Pro
Sources and verification
Provider specifications describe the upstream model, not a guarantee of every feature through TokenRex. Prices come from the enabled catalog; benchmark results belong to the exact tested model.
- Provider model specifications
Vendor-reported
Last checked - Google Blog – Gemini 3.1 Pro: A smarter model for your most complex tasks
Vendor-reported
Last checked - NxCode – Gemini 3.1 Pro Complete Guide 2026 (citing Google launch benchmarks)
Third-party report
Last checked - S5 Labs – Gemini 3.1 Pro Leads 12 of 18 Benchmarks
Third-party report
Last checked
Research notes (1)
- Published provider limits; maximum-capacity requests have not been independently exercised through TokenRex. Thinking-level variants use the same provider model; reasoning and answer tokens share the output budget.
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