Gemma 4 31B Thinking
Google's Gemma 4 31B instruction-tuned model with thinking explicitly enabled, exposing reasoning traces for complex multimodal and coding workflows. Requests containing video cost $0.14 per million input tokens and $0.40 per million output tokens.
- Reasoning
- Vision
- Video Input
- Structured Output
Added Apr 2, 2026
Model weightsPricing
Auto routing · per 1M tokens- Input
- $0.100
- Output
- $0.33
- Cache read
- $0.050
Specifications
- Context window
- 262.1K
- Max output
- 131.1K
- Parameters
- 31B
- Avg output (7d)
- 913 tokens
- Longer than 66% of models
Benchmarks
Benchmarks
Sourced from Artificial Analysis.
Intelligence Index
14.7
Coding Index
43.4
Agentic Index
4.2
Agentic work
AutomationBench-AA
Workflow automation with guardrail penalties
4.9%
Better than 28% of models compared
Harvey LAB-AA
Legal agentic work criterion pass rate
47.2%
Better than 4% of models compared
AA-Briefcase
Agentic knowledge work (Elo)
365 Elo
Better than 19% of models compared
GDPval-AA v2
Economically valuable tasks (Elo)
623 Elo
Better than 31% of models compared
Document reasoning
GDP.pdf
Professional PDF reasoning: all-pass rate
6.0%
Better than 30% of models compared
AA-LCR v1.1
Long context reasoning with updated grading
69.7%
Better than 62% of models compared
Reasoning
HLE
Humanity's Last Exam
23.6%
Better than 72% of models compared
IFBench
Instruction-following benchmark
75.6%
Better than 93% of models compared
CritPt
Research-level physics reasoning
1.4%
Coding
Terminal-Bench v4.0
Practical coding and terminal tasks
0.0%
Better than 16% of models compared
SciCode
Python programming for scientific computing
45.5%
Better than 41% of models compared
Knowledge
AA-Omniscience Accuracy
Proportion of correctly answered questions
20.0%
AA-Omniscience Hallucination Rate
Rate of incorrect answers among non-correct responses
85.0%
Legacy benchmarks
GPQA Diamond (legacy)
Graduate-level scientific reasoning
85.7%
Better than 79% of models compared
Terminal-Bench Hard (legacy)
Agentic coding and terminal use
36.4%
Better than 83% of models compared
T²-Bench Telecom (legacy)
Conversational AI agents in dual-control scenarios
59.9%
Better than 56% of models compared
AA-LCR (unversioned / legacy)
Long context reasoning evaluation
69.7%
Better than 62% of models compared
GDPval-AA (unversioned / legacy)
Economically valuable tasks
5.7%
Last updated Oct 3, 2026
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